| ACEDIAS | • ACEDIA n. (Greek) sloth, physical torpor, also ACCIDIA, ACCIDIE. |
| ACEQUIA | • acequia n. (Used in the Southwestern US or in reference to Spain, chiefly agriculture) An irrigation ditch. • ACEQUIA n. (Spanish) an irrigation ditch. |
| ACERATE | • acerate n. (Chemistry) A combination of aceric acid with a salifiable base. • acerate adj. Acerose; needle-shaped; long and pointed. • ACERATE adj. needle-shaped. |
| ACERBER | • acerber adj. Comparative form of acerb: more acerb. • ACERB adj. bitter and sour, also ACERBIC. |
| ACERBIC | • acerbic adj. Tasting sour or bitter. • acerbic adj. (Figurative) Sharp, harsh, biting. • ACERBIC adj. bitter and sour, also ACERB. |
| ACEROLA | • acerola n. A tree of the West Indies and northern South America, Malpighia glabra. • acerola n. The fruit of this tree. • ACEROLA n. a West Indian shrub. |
| ACEROSE | • acerose adj. (Botany) Having the nature of chaff; chaffy. • acerose adj. (Botany) needle-shaped, having a sharp, rigid point, as the leaf of the pine. • ACEROSE adj. needle-shaped. |
| ACEROUS | • acerous adj. Alternative spelling of acerose. • acerous adj. (Zoology) Destitute of tentacles. • acerous adj. (Zoology) Without antennae. |
| ACETALS | • acetals n. Plural of acetal. • ACETAL n. an odoriferous liquid formed by reaction of acetaldehyde and ethyl alcohol. |
| ACETATE | • acetate n. (Organic chemistry) Any salt or ester of acetic acid. • acetate n. Cellulose acetate. • acetate n. A transparent sheet used for overlays. |
| ACETIFY | • acetify v. (Transitive) To convert into acid or vinegar. • acetify v. (Intransitive) To turn acid. • ACETIFY v. to convert to vinegar. |
| ACETINS | • acetins n. Plural of acetin. • ACETIN n. a combination of acetic acid with glycerin. |
| ACETONE | • acetone n. (Organic chemistry) A colourless, volatile, flammable liquid ketone, (CH3)2CO, used as a solvent. • ACETONE n. the simplest of the ketones; any ketone. |
| ACETOSE | • acetose adj. Sour like vinegar; acetous. • ACETOSE adj. like vinegar. |
| ACETOUS | • acetous adj. Having a sour taste; sour; acid. • acetous adj. Causing, or connected with, acetification. • ACETOUS adj. like vinegar. |
| ACETYLS | • acetyls n. Plural of acetyl. • ACETYL n. the radical of acetic acid. |