‖n. pl. [ NL., from Gr. &unr_;, a nettle. ] A group of Cœlenterata, including the Medusæ or jellyfishes, and hydroids; -- so called from the stinging power they possess. Sometimes called
a. [ Acaleph + -oid. ] (Zool.) Belonging to or resembling the Acalephæ or jellyfishes. [ 1913 Webster ]
‖n. pl. [ NL., from Gr. &unr_; a spine, thorn + &unr_; head. ] (Zool.) A group of intestinal worms, having the proboscis armed with recurved spines. [ 1913 Webster ]
a. (Zool.) Having a spiny head, as one of the Acanthocephala. [ 1913 Webster ]
n.
a. [ Gr. &unr_;, fr. &unr_; spine +
n. [ Accelerate + -graph. ] (Mil.) An apparatus for studying the combustion of powder in guns, etc. [ 1913 Webster ]
n. [ Gr. &unr_;;
‖n. pl. [ NL., fr. Gr. &unr_;, adj. neut. pl., headless. See Acephal. ] (Zool.) That division of the Mollusca which includes the bivalve shells, like the clams and oysters; -- so called because they have no evident head. Formerly the group included the Tunicata, Brachiopoda, and sometimes the Bryozoa. See Mollusca. [ 1913 Webster ]
n. Same as Acephal. [ 1913 Webster ]
a. (Zool.) Belonging to the Acephala. [ 1913 Webster ]
‖n. pl. [ LL., pl. of acephalus. See Acephal. ]
n. One who acknowledges no head or superior. Dr. Gauden. [ 1913 Webster ]
n. [ Gr.
a. Pertaining to, or resembling, the acephalocysts. [ 1913 Webster ]
a. [ See Acephal. ] [ 1913 Webster ]
A false or acephalous structure of sentence. De Quincey. [ 1913 Webster ]
n.
n. (Med.) A white crystalline compound used as an analgesic and also as an antipyretic.
n. [ Acetic + phenyl + one. ] (Chem.) A crystalline ketone,
n.
a. [ Gr. &unr_; highest + &unr_;. See Cephalic. ] Characterized by a high skull. [ 1913 Webster ]
n.
n. Loftiness of skull. [ 1913 Webster ]
n. [ Gr.
n. [ Gr. &unr_;, &unr_;, ray + -graph. ] An instrument for measuring and recording the variations in the actinic or chemical force of rays of light. Nichol. [ 1913 Webster ]
n. [ Gr. &unr_;, &unr_;, ray + &unr_; voice. ] (Physics) An apparatus for the production of sound by the action of the actinic, or ultraviolet, rays. [ Webster 1913 Suppl. ]
a. (Physics) Pertaining to, or causing the production of, sound by means of the actinic, or ultraviolet, rays;
a. [ Gr. &unr_;, &unr_;, ray +
n.
‖n. [ Gr.
a. [ Gr.
a. Pertaining to adenography. [ 1913 Webster ]
n. [ Adeno- + -graphy. ] That part of anatomy which describes the glands. [ 1913 Webster ]
a. [ Adeno- + Gr.
a. [ Adeno- + Gr.
n. Religious indifference. [ 1913 Webster ]
n. [ See Adiaphorous. ] (Eccl. Hist.) One of the German Protestants who, with Melanchthon, held some opinions and ceremonies to be indifferent or nonessential, which Luther condemned as sinful or heretical. Murdock. [ 1913 Webster ]
a. Pertaining to matters indifferent in faith and practice. Shipley. [ 1913 Webster ]
n. Same as Adiaphorist. [ 1913 Webster ]
a. [ Gr.
n. [ Gr.
n. Same as Egophony. [ 1913 Webster ]
n. One versed in aëography: an aërologist. [ 1913 Webster ]
n. [ Aëro- + -graphy: cf. F. aérographie. ] A description of the air or atmosphere; aërology. [ 1913 Webster ]
n. [ Aëro- + Gr. &unr_; voice. ]