3. "[The moon] was dichotomized." Whewell.
DICHOTOMIZE
Di*chot"o*mize, v. i.
Defn: To separate into two parts; to branch dichotomously; to become dichotomous.
DICHOTOMOUS
Di*chot"o*mous, a. Etym: [L. dichotomos, Gr.
Defn: Regularly dividing by pairs from bottom to top; as, a
dichotomous stem.
— Di*chot"o*mous*ly, adv.
DICHOTOMY
Di*chot"o*my, n. Etym: [Gr. dichotomie. See Dichotomous.]
1. A cutting in two; a division. A general breach or dichotomy with their church. Sir T. Browne.
2. Division or distribution of genera into two species; division into two subordinate parts.
3. (Astron.)
Defn: That phase of the moon in which it appears bisected, or shows only half its disk, as at the quadratures.