- division into two parts, kinds, etc.; subdivision into halves or pairs.
- division into two mutually exclusive, opposed, or contradictory groups: a dichotomy between thought and action.
- Botany. a mode of branching by constant forking, as in some stems, in veins of leaves, etc.
- Astronomy. the phase of the moon or of an inferior planet when half of its disk is visible.
Origin of dichotomy
Related Words for dichotomicbinary, amphibian, diploid, bilateral, dual, bifurcate, amphibious, bicameral, bigeminal, binal, bipartisan, bipartite, dichotomic, dichotomous, distichous, dualistic, dyadic
Examples from the Web for dichotomic
Historical Examples of dichotomic
They do not arise from the dichotomic process of classification, but from the polar relations of things.The Religious Sentiment
Daniel G. Brinton
To obviate the matter Lamarck conceived and proposed the dichotomic method for the easy determination of species.Lamarck, the Founder of Evolution
Alpheus Spring Packard
- division into two parts or classifications, esp when they are sharply distinguished or opposedthe dichotomy between eastern and western cultures
- logic the division of a class into two mutually exclusive subclassesthe dichotomy of married and single people
- botany a simple method of branching by repeated division into two equal parts
- the phase of the moon, Venus, or Mercury when half of the disc is visible
Word Origin for dichotomy
c.1600, from Greek dichotomia "a cutting in half," from dicha "in two, asunder" (related to dis "twice") + temnein "to cut" (see tome).