Retroussage, re-trōō-sazh′, n. a method of producing effective tones in the printing of etchings by skilful treatment of the ink in certain parts.

Retroussé, re-trōō-sā′, adj. turned up: pug.

Retrovaccinate, rē-trō-vak′si-nāt, v.t. to vaccinate a cow with human virus.—ns. Retrovaccinā′tion; Retrovac′cine.

Retrovene, rē′trō-vēn, adj. inclined backward.

Retrovert, rē′trō-vėrt, v.t. to turn back.—n. one who returns to his original creed.—n. Retrover′sion, a turning or falling back. [L. retro, backward, vertĕre, to turn.]

Retrovision, rē-trō-vizh′un, n. the power of mentally seeing past events.

Retrude, rē-trōōd′, v.t. to thrust back.—adj. Retruse′.—n. Retru′sion. [L. retrudĕre, retrusum.]

Retry, rē-trī′, v.t. to try again: to put on trial a second time.

Retting, ret′ing, n. the act or process of preparing flax for use by rotting the useless part of the plant.—n. Rett′ery. [Conn. with rot.]

Retund, rē-tund′, v.t. to blunt, as the edge of a weapon.