| ACRIDITIES | • acridities n. Plural of acridity. • ACRIDITY n. the state of being acrid. |
| ADIACTINIC | • adiactinic adj. (Chemistry) Not transmitting the actinic rays. • ADIACTINIC adj. denoting a substance that does not transmit radiation affecting photochemically sensitive materials, such as a safelight in a photographic darkroom. |
| CALIDITIES | • calidities n. Plural of calidity. • CALIDITY n. the state of being warm. |
| CRITHIDIAL | • crithidial adj. (Zoology) Of or relating to the Crithidia. • CRITHIDIAL adj. relating to the flagellate genus Crithidia. |
| DIACRITICS | • diacritics n. Plural of diacritic. • DIACRITIC n. a mark or sign serving to distinguish different values or sounds of the same letter e.g. an acute accent. |
| DIACTINISM | • DIACTINISM n. the ability to transmit photochemically active radiation. |
| DIBASICITY | • dibasicity n. (Chemistry) The property or condition of being dibasic. • DIBASICITY n. the quality of being dibasic. |
| DICACITIES | • dicacities n. Plural of dicacity. • DICACITY n. (archaic) raillery, banter. |
| DIETICIANS | • dieticians n. Plural of dietician. • DIETICIAN n. an expert on diet, also DIETIST, DIETITIAN. |
| IDEALISTIC | • idealistic adj. Of or pertaining to an idealist or to idealism. • IDEALISTIC adj. of or relating to idealists or idealism. |
| IDIOPATHIC | • idiopathic adj. (Pathology) Of, relating to, or designating a disease or condition having no known cause. • IDIOPATHIC adj. of a disease, etc. arising spontaneously from some unknown cause, primary. |
| INDICATING | • indicating v. Present participle of indicate. • INDICATE v. to point out. |
| INDICATION | • indication n. Act of pointing out or indicating. • indication n. That which serves to indicate or point out; mark; token; sign; symptom; evidence. • indication n. Discovery made; information. |
| INDICATIVE | • indicative adj. Serving as a sign, indication or suggestion of something. • indicative adj. (Grammar) of, or relating to the indicative mood. • indicative n. (Grammar, uncountable) The indicative mood. |
| ITALICISED | • italicised v. Simple past tense and past participle of italicise. • ITALICISE v. to print in italic characters, also ITALICIZE. |
| ITALICIZED | • italicized v. Simple past tense and past participle of italicize. • ITALICIZE v. to print in italic characters, also ITALICISE. |
| NIDIFICATE | • nidificate v. (Intransitive) To make or build a nest. • NIDIFICATE v. to construct a nest. |