exhalation Copy link Outline I. The act or process of exhalingII. That which is exhaled1. exhālātio2. hālĭtus, ūs (esp. poet.)3. aspīrātio (?)4. expr. by exhālo, 15. văpor (esp. a warm e.) • exhalation: I. The act or process of exhaling: expr. by verb: v. to exhale. II. That which is exhaled: 1. exhālātio: e.s from the earth, terrae exhalationes, Cic. Tusc. 1, 19, 43: Plin.: Sen. 2. hālĭtus, ūs (esp. poet.): an e. rising from the dark mouth (of Avernus), h. atris faucibus effundens sese, Virg.: Val. Fl.: Sen. 3. aspīrātio (?): cf. Cic. Div. 1, 26, 79. 4. expr. by exhālo, 1: it is certain that a damp e. rises from the earth, humidam a terra exhalari caliginem certum est, Plin. 2, 42, 42: all kinds of e.s, *quaecunque [a terra] exhalantur: v. to exhale. 5. văpor (esp. a warm e.): e. from earth, terrenus v., Sen. N. Q. 2, 13, 4: cf. Cic. N. D. 2, 46, 118: to dread nightly e.s, nocturnos v. formidare, Hor. Phr.: there is an e. from both (land and water), utraque ex se reddit aliquid, Sen. N. Q. l. c.: v. evaporation.