a. (Zool.) Having a spiny head, as one of the Acanthocephala. [ 1913 Webster ]

a. [ Pref. a- not + carpel. ] (Bot.) Having no carpels. Opposite of carpellate.
Syn. -- acarpe [ 1913 Webster ]

{ } a. [ Gr. &unr_;; 'a priv. + &unr_; stalk or L. caulis stalk. See Cole. ] (Bot.) Same as Acaulescent. [ 1913 Webster ]

a. [ See Acephal. ] [ 1913 Webster ]

1. Headless. [ 1913 Webster ]

2. (Zool.) Without a distinct head; -- a term applied to bivalve mollusks. [ 1913 Webster ]

3. (Bot.) Having the style spring from the base, instead of from the apex, as is the case in certain ovaries. [ 1913 Webster ]

4. Without a leader or chief. [ 1913 Webster ]

5. Wanting the beginning. [ 1913 Webster ]

A false or acephalous structure of sentence. De Quincey. [ 1913 Webster ]

6. (Pros.) Deficient at the beginning, as a line of poetry. Brande. [ 1913 Webster ]

a. [ Gr. 'a priv. + &unr_; lip. ] (Bot.) Without a lip. [ 1913 Webster ]

a. (Med.) Lacking bile. AS [ 1913 Webster ]

a. [ Gr. &unr_; without juice. ] (Physiol.) Without chyle. [ 1913 Webster ]

adj. 1. 1 growing well in an acid medium; said of some bacteria
Syn. -- aciduric [ WordNet 1.5 ]

a. [ L. acidulus, dim. of acidus. See Acid. ] Slightly sour; sub-acid; sourish; as, an acidulous tincture. E. Burke. [ 1913 Webster ]

Acidulous mineral waters, such as contain carbonic anhydride. [ 1913 Webster ]

{ } a. [ Gr. 'a priv. + &unr_; joint. ] (Nat. Hist.) Being without joints; jointless. [ 1913 Webster ]

{ } a. [ Gr. 'a priv. + &unr_; finger. ] (Zool.) (a) Without fingers or without toes. (b) Without claws on the feet (of crustaceous animals). [ 1913 Webster ]

a. [ Adeno- + Gr. fy`llon leaf. ] (Bot.) Having glands on the leaves. [ 1913 Webster ]

{ } a. (Zool.) Not undergoing any metamorphosis; as, ametabolic insects. Opposite of metabolic. [ 1913 Webster ]

2. undergoing only slight metamorphosis [ WordNet 1.5 ]

a. [ L. amphibolus, Gr. &unr_; thrown about, doubtful. See Amphibole. ] [ 1913 Webster ]

1. Ambiguous; doubtful. [ Obs. ] [ 1913 Webster ]

Never was there such an amphibolous quarrel -- both parties declaring themselves for the king. Howell. [ 1913 Webster ]

2. (Logic) Capable of two meanings. [ 1913 Webster ]

An amphibolous sentence is one that is capable of two meanings, not from the double sense of any of the words, but from its admitting of a double construction; e. g., “The duke yet lives that Henry shall depose.” Whately. [ 1913 Webster ]

{ } a. [ Gr. &unr_; hollowed all round; 'amfi` + &unr_; hollow. ] (Zool.) Having both ends concave; biconcave; -- said of vertebræ. [ 1913 Webster ]

a. [ Gr. 'amy`elos without marrow. ] (Med.) Characterized by lack of the spinal cord. [ 1913 Webster + AS ]

a. [ Gr. 'anh`r, 'andro`s, man + kefalh` head. ] Having a human head (upon an animal's body), as the Egyptian sphinx. [ Webster 1913 Suppl. ]

a. [ Gr. 'anh`r, 'andro`s, man + pe`talon leaf. ] (Bot.) Produced by the conversion of the stamens into petals, as double flowers, like the garden ranunculus. Brande. [ 1913 Webster ]

adj. 1. pollinated by the wind; -- of flowering plants; especially grasses etc. entomophilous [ WordNet 1.5 ]

a. [ Gr. 'a`nemos wind + fi`los lover. ] (Bot.) Fertilized by the agency of the wind; -- said of plants in which the pollen is carried to the stigma by the wind; wind-Fertilized. Lubbock. [ 1913 Webster ]

{ } a. [ Gr. &unr_;, priv. + &unr_; the brain: cf. Encephalon. ] (Zool.) Without a brain; brainless. Todd & B. [ 1913 Webster ]

a. [ L. angulosus: cf. F. anguleux. ] Angular; having corners; hooked. [ R. ] [ 1913 Webster ]

Held together by hooks and angulous involutions. Glanvill. [ 1913 Webster ]

a. [ L. anhelus. ] Short of breath; panting. [ 1913 Webster ]

a. (Zool.) Characterized by unequal toes, three turned forward and one backward, as in most passerine birds. [ 1913 Webster ]

a. [ Gr. &unr_; unequal + &unr_; leaf. ] (Bot.) Having unequal petals. [ 1913 Webster ]

a. [ Gr. &unr_; unequal + &unr_; leaf. ] (Bot.) Having unequal leaves. [ 1913 Webster ]

a. [ L. anomalus, Gr. &unr_; uneven, irregular; 'an priv. + &unr_; even, &unr_; same. See Same, and cf. Abnormal. ] Deviating from a general rule, method, or analogy; abnormal; irregular; as, an anomalous proceeding. [ 1913 Webster ]

adv. In an anomalous manner. [ 1913 Webster ]

n. Quality of being anomalous. [ 1913 Webster ]

a. [ Gr. &unr_; irregular + &unr_; leaf. ] (Bot.) Having leaves irregularly placed. [ 1913 Webster ]

a. [ Gr. 'a`nqos flower + fi`los loving. ] (Zool.) Lit., fond of flowers; hence, feeding upon, or living among, flowers. [ Webster 1913 Suppl. ]

a. Counteractive of bilious complaints; tending to relieve biliousness. [ 1913 Webster ]

a. [ Pref. anti- + petal. ] (Bot.) Standing before a petal, as a stamen. [ 1913 Webster ]

a. [ Pref. anti- + sepal. ] (Bot.) Standing before a sepal, or calyx leaf. [ 1913 Webster ]

a. Preventing the contagion of smallpox. [ 1913 Webster ]

a. [ Pref. a- not + L. pellis skin. ] Destitute of skin. Brande & C. [ 1913 Webster ]

a. [ Pref. a- not + petal. ] (Bot.) Having no petals, or flower leaves. [ See Illust. under Anther ]. [ 1913 Webster ]

n. The state of being apetalous. [ 1913 Webster ]

a. [ Gr. &unr_;; 'a priv. + &unr_; leaf. ] (Bot.) Destitute of leaves, as the broom rape, certain euphorbiaceous plants, etc. [ 1913 Webster ]

adj. 1. growing or living or burrowing in sand. arenicolous worms [ WordNet 1.5 ]

a. [ L. arenula fine sand, dim. of arena. ] Full of fine sand; like sand. [ Obs. ] [ 1913 Webster ]

a. [ L. argillosus, fr. argilla. See Argil. ] Argillaceous; clayey. Sir T. Browne. [ 1913 Webster ]

a. (Zool.) Even-toed. [ 1913 Webster ]

a. [ Aurum + cephalous. ] (Zool.) Having a gold-colored head. [ 1913 Webster ]

a. [ Gr. &unr_; independent; &unr_; self + &unr_; head. ] (Eccl. Hist.) Having its own head; independent of episcopal or patriarchal jurisdiction, as certain Greek churches. [ 1913 Webster ]

(Zool.) An insect of the family Coccidæ, which infests the bark of trees and vines. [ 1913 Webster ]

☞ The wingless females assume the shape of scales. The bark louse of the vine is Pulvinaria innumerabilis; that of the pear is Lecanium pyri. See Orange scale. [ 1913 Webster ]

a. Pertaining to, or having the nature of, a basyle; electro-positive; basic; -- opposed to chlorous. Graham. [ 1913 Webster ]

a. [ OF. bataillos, fr. bataille. See Battle, n. ] Arrayed for battle; fit or eager for battle; warlike. [ Obs. ] “In battailous aspect.” Milton. [ 1913 Webster ]

a. [ L. benevolus. ] Kind; benevolent. [ Obs. ] T. Puller. [ 1913 Webster ]

pos>a. [ Pref. bi- + angulous. ] Biangular. [ R. ] [ 1913 Webster ]