a. [ Maxilla + turbinal. ] (Anat.) Pertaining to the maxillary and turbinal regions of the skull. -- n. The maxillo-turbinal, or inferior turbinate, bone. [ 1913 Webster ]

a. [ Naso- + turbinal. ] (Anat.) Connected with, or near, both the turbinal and the nasal bones; as, the nasoturbinal bone, made up of the uppermost lammelae of the ethmoturbinal, and sometimes united with the nasal. -- n. The nasoturbinal bone. [ 1913 Webster ]

a. [ Pseudo- + turbinal. ] (Anat.) See under Turbinal. [ 1913 Webster ]

a. [ See Turbary. ] Of or pertaining to peat, or turf; of the nature of peat, or turf; peaty; turfy. Sir. W. Scott. [ 1913 Webster ]

a. [ L. turbo, turben, -inis, a top, whirl. ] (Anat.) Rolled in a spiral; scroll-like; turbinate; -- applied to the thin, plicated, bony or cartilaginous plates which support the olfactory and mucous membranes of the nasal chambers. [ 1913 Webster ]

☞ There are usually several of these plates in each nasal chamber. The upper ones, connected directly with the ethmoid bone, are called ethmoturbinals, and the lower, connected with the maxillae, maxillo-turbinals. Incurved portions of the wall of the nasal chamber are sometimes called pseudoturbinals, to distinguish them from the true turbinals which are free outgrowths into the chambers. [ 1913 Webster ]

n. (Anat.) A turbinal bone or cartilage. [ 1913 Webster ]

v. i. To revolve or spin like a top; to whirl. [ R. ] [ 1913 Webster ]

{ } a. [ L. turbinatus, fr. turbo, turben, turbinis, a whirl, top. ] 1. Whirling in the manner of a top. [ 1913 Webster ]

A spiral and turbinated motion of the whole. Bentley. [ 1913 Webster ]

2. (Bot.) Shaped like a top, or inverted cone; narrow at the base, and broad at the apex; as, a turbinated ovary, pericarp, or root. [ 1913 Webster ]

3. (Anat.) Turbinal. [ 1913 Webster ]

4. (Zool.) Spiral with the whorls decreasing rapidly from a large base to a pointed apex; -- said of certain shells. [ 1913 Webster ]

n. [ Cf. L. tirbinatio a pointing in the form of a cone. See Turbinate. ] The act of spinning or whirling, as a top. [ 1913 Webster ]

[ 1913 Webster ]

n. [ L. turbo, -inis, that which spins or whirls round, whirl. ] 1. A water wheel, commonly horizontal, variously constructed, but usually having a series of curved floats or buckets, against which the water acts by its impulse or reaction in flowing either outward from a central chamber, inward from an external casing, or from above downward, etc.; -- also called turbine wheel. [ 1913 Webster ]

☞ In some turbines, the water is supplied to the wheel from below, instead of above. Turbines in which the water flows in a direction parallel to the axis are called parallel-flow turbines. [ 1913 Webster ]

2. A type of rotary engine with a set of rotating vanes, diagonally inclined and often curved, attached to a central spindle, and obtaining its motive force from the passage of a fluid, as water, steam, combusted gases, or air, over the vanes. Water turbines are frequently used for generating power at hydroelectric power stations, and steam turbines are used for generating power from coal- or oil-fired electric power stations. Turbines are also found in jet engines, and in some automobile engines. In the 1913 dictionary, the turbine was further decribed thus: “There are practically only two distinct kinds, and they are typified in the de Laval and the Parsons and Curtis turbines. The
de Laval turbine is an impulse turbine, in which steam impinges upon revolving blades from a flared nozzle. The flare of the nozzle causes expansion of the steam, and hence changes its pressure energy into kinetic energy. An enormous velocity (30, 000 revolutions per minute in the 5 H. P. size) is requisite for high efficiency, and the machine has therefore to be geared down to be of practical use. Some recent development of this type include turbines formed of several de Laval elements compounded as in the ordinary expansion engine. The Parsons turbine is an impulse-and-reaction turbine, usually of the axial type. The steam is constrained to pass successively through alternate rows of fixed and moving blades, being expanded down to a condenser pressure of about 1 lb. per square inch absolute. The Curtis turbine is somewhat simpler than the Parsons, and consists of elements each of which has at least two rows of moving blades and one row of stationary. The bucket velocity is lowered by fractional velocity reduction. Both the Parsons and Curtis turbines are suitable for driving dynamos and steamships directly. In efficiency, lightness, and bulk for a given power, they compare favorably with reciprocating engines.” [ Webster 1913 Suppl. +PJC ]

‖pr. n. [ NL., dim. fr. L. turbo, -inis, a top. ] (Zool.) A genus of large marine gastropods having a thick heavy shell with conspicuous folds on the columella. [ 1913 Webster ]

n. [ NL. Turbo, the generic name, fr. L. turbo a whirl, top: cf. F. turbinite. ] (Paleon.) A petrified shell resembling a member of the genus Turbo. [ R. ] [ 1913 Webster ]

a. [ See Turbo, and -oid. ] (Zool.) Like or pertaining to Turbo or the family Turbinidae. [ 1913 Webster ]

See accommodating.
See aching.
See ailing.
See aiming.
See alarming.
See altering.
See appreciating.
See approving.
See aspiring.
See assisting.
See attempting.
See attending.
See bearing.
See befitting.
See beginning.
See believing.
See bleaching.
See bleeding.
See blemishing.
See blenching.
See blossoming.
See blushing.
See boding.
See branching.
See breathing.
See burning.
See calculating.
See ceasing.
See changing.
See charming.
See communicating.
See complaining.
See complying.
See conceiving.
See conducing.
See confessing.
See conniving.
See consenting.
See considering.
See conspiring.
See consulting.
See consuming.
See contending.
See contriving.
See conversing.
See convincing.
See dawning.
See decaying.
See delaying.
See depending.
See derogating.
See deserving.
See desiring.
See despairing.
See detesting.
See deviating.
See differencing.
See discerning.
See discording.
See discriminating.
See disobliging.
See dispensing.
See dissembling.
See dissolving.
See distinguishing.
See distracting.
See disturbing.
See doubting.
See dreading.
See drooping.
See ebbing.
See echoing.
See edifying.
See ending.
See enduring.
See engaging.
See enjoying.
See entering.
See enterprising.
See entertaining.
See envying.
See existing.
See fadging.
See fading.
See fainting.
See faltering.
See fearing.
See feigning.
See fighting.
See fitting.
See flagging.
See flattering.
See flinching.
See folding.
See forbearing.
See foreboding.
See foreseeing.
See forgiving.
See giving.
See grudging.
See harming.
See heeding.
See hesitating.
See hoping.
See hurting.
See importing.
See imposing.
See improving.
See interesting.
See intermitting.
See intoxicating.
See inviting.
See jarring.
See laboring.
See lingering.
See listening.
See loving.
See meddling.
See meriting.
See mistrusting.
See moving.
See murmuring.
See obliging.
See observing.
See offending.
See opening.
See pardoning.
See paying.
See perceiving.
See performing.
See perishing.
See pitying.
See pleasing.
See possessing.
See preaching.
See prepossessing.
See presuming.
See pretending.
See prevailing.
See prevaricating.
See profiting.
See promising.
See proving.
See quailing.
See questioning.
See reasoning.
See recalling.
See reclining.
See recurring.
See referring.
See reflecting.
See refunding.
See refusing.
See rejoicing.
See relaxing.
See relishing.
See remembering.
See repenting.
See repining.
See reproving.
See repulsing.
See resisting.
See resolving.
See resting.
See returning.
See rewarding.
See sanctifying.
See satisfying.
See searching.
See seeing.
See setting.
See shrinking.
See sinking.
See sleeping.
See slipping.
See slumbering.
See speaking.
See stinting.
See stirring.
See stooping.
See submitting.
See sufficing.
See suiting.
See surging.
See suspecting.
See sweating.
See swerving.
See sympathizing.
See tasting.
See thriving.
See tiring.
See toiling.
See trading.
See trembling.
See trespassing.
See trifling.
See vacillating.
See varying.
See walking.
See wandering.
See waning.
See wasting.
See wavering.
See weeping.
See winking.
See winning.
See withdrawing.
See withering.
See wondering.
See working.
See writing.
See yielding.
----- and the like. [ 1913 Webster ]

The above classes of words are unlimited in extent, and such compounds may be formed by any writer or speaker at will from almost all the adjectives or participles in the language, excepting those which have a recognized and usual negative correspondent with the prefix -in. No attempt will be made, therefore, to define them all in this Dictionary; many will be omitted from its Vocabulary which are negations of the simple word, and are readily explained by prefixing a not to the latter. Derivatives of these words in -ly and -ness will also, for the most part, be omitted for the same or similar reasons. [ 1913 Webster ]

There will be inserted as separate articles with definitions, the following: -- [ 1913 Webster ]

1. Those which have acquired an opposed or contrary, instead of a merely negative, meaning; as, unfriendly, ungraceful, unpalatable, unquiet, and the like; or else an intensive sense more than a prefixed not would express; as, unending, unparalleled, undisciplined, undoubted, unsafe, and the like. [ 1913 Webster ]

2. Those which have the value of independent words, inasmuch as the simple words are either not used at all, or are rarely, or at least much less frequently, used; as, unavoidable, unconscionable, undeniable, unspeakable, unprecedented, unruly, and the like; or inasmuch as they are used in a different sense from the usual meaning of the primitive, or especially in one of the significations of the latter; as, unaccountable, unalloyed, unbelieving, unpretending, unreserved, and the like; or inasmuch as they are so frequently and familiarly used that they are hardly felt to be of negative origin; as, uncertain, uneven, and the like. [ 1913 Webster ]

3. Those which are anomalous, provincial, or, for some other reason, not desirable to be used, and are so indicated; as, unpure for impure, unsatisfaction for dissatisfaction, unexpressible for inexpressible, and the like. [ 1913 Webster ]

II. Un- is prefixed to nouns to express the absence of, or the contrary of, that which the noun signifies; as, unbelief, unfaith, unhealth, unrest, untruth, and the like. [ 1913 Webster ]

☞ Compounds of this last class are given in full in their proper order in the Vocabulary. [ 1913 Webster ]