It Takes Two: Di – 10 Words

dichotomy

a classification into two opposed parts or subclasses

It’s an odd dichotomy: the notion that technology is a blessing and curse, a driver of improvement, and a source of frustration. Forbes (Jan 15, 2015)
dilemma

state of uncertainty in a choice between unfavorable options

The central dilemma of a modern leader is to balance apparently conflicting virtues and beliefs without choosing sides between them.New York Times (Oct 16, 2015)
dimorphic

occurring or existing in two different forms

This is no great surprise, since it is usually the male of any dimorphic species who is encumbered with any expensive ornamentation.Economist (Jan 20, 2011)
dichromatic

of or relating to dichromatism

Dogs have such a ” dichromatic” view of the world as shown in this image of an owner’s legs.BBC (Jul 2, 2012)
dioxide

an oxide containing two atoms of oxygen in the molecule

Forests worldwide play a key role in removing carbon dioxide from the atmosphere; chopping them down worsens global warming.Reuters (Sep 27, 2015)
diphthong

a sound that glides between two vowels in a single syllable

Monosyllables ending in ‘r’ or ‘re,’ preceded by a long vowel or diphthong, are often pronounced as dissyllabic.Black, Ebenezer Charlton
digraph

two successive letters

We have, therefore, twenty-six letters with which to express fifty or more sounds, not counting the digraphs and diphthongs.Hamilton, Frederick W. (Frederick William)
duologue

a conversation between two persons

A duologue, he suggested, is more than a monologue but less than a dialogue.Economist (Aug 14, 2014)
duality

a classification into two opposed parts or subclasses

“We think that’s a powerful message when it’s sitting opposite the Ten Commandments – you can have these dualities, differences without conflict.”BBC (Jul 31, 2015)
duet

two performers or singers who perform together

Brown had hits as a solo singer and part of a duet and trio.Washington Times (Jun 11, 2015)

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