RETROFLEX; RETROFLEXED Re"tro*flex, Re"tro*flexed, a. Etym: [Pref. retro- + L. flectere, flexum, to bend, to turn.]

Defn: Reflexed; bent or turned abruptly backward.

RETROFLEXION
Re`tro*flex"ion, n.

Defn: The act of reflexing; the state of being retroflexed. Cf.
Retroversion.

RETROFRACT; RETROFRACTED Re"tro*fract, Re"tro*fract`ed, a. Etym: [Pref. retro- + L. fractus, p. p. of frangere to break.] (Bot.)

Defn: Refracted; as, a retrofract stem.

RETROGENERATIVE
Re`tro*gen"er*a*tive, a. Etym: [Pref. retro- + generative.]

Defn: Begetting young by retrocopulation.

RETROGRADATION
Re`tro*gra*da"tion, n. Etym: [F. rétrogradation or L. retrogradatio.
See Retrograde.]

1. The act of retrograding, or moving backward.