| apron | 1. An article of dress, of cloth, leather, or other stuff, worn on the fore part of the body, to keep the clothes clean, to defend them from injury, or as a covering. It is commonly tied at the waist by strings. 2. Something which by its shape or use suggests an apron; as, The fat skin covering the belly of a goose or duck. A piece of leather, or other material, to be spread before a person riding on an outside seat of a vehicle, to defend him from the rain, snow, or dust; a boot. "The weather being too hot for the apron." . The infolded abdomen of a crab. Origin: OE. Napron, OF. Naperon, F. Napperon, dim. Of OF. Nape, F. Nappe, cloth, tablecloth, LL. Napa, fr. L. Mappa, napkin, table napkin. See Map. Source: Websters Dictionary (01 Mar 1998) |
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| aprophoria | Aphasia, including agraphia. Origin: G. A-priv. + prophora, utterance (05 Mar 2000) |
| aprosexia | Inattention, due to a sensorineural or mental defect. Origin: G. A-priv. + prosexis, attention, fr. Pros-echo, to hold to (05 Mar 2000) |
| aprosody | Absence, in speech, of the normal pitch, rhythm, and variations in stress. Origin: G. A-priv. + prosodia, voice modulation (05 Mar 2000) |
| aprosopia | Congenital absence of the greater part or all of the face, usually associated with other malformations. Origin: G. A-priv. + prosopon, face (05 Mar 2000) |
| aprotic | <chemistry> This refers to an atom or molecule that will neither donate nor accept protons. (10 Jan 1998) |
| aprotinin | <protein> Basic polypeptide that inhibits several serine proteases (including trypsin, chymotrypsin, kallikrein, pepsin). (18 Nov 1997) |