Diphyllous

Part of speech: adjective

Definitions

1. Bearing exactly two leaves, as certain plants or structures that grow with a pair of leaf-like parts
2. Describing a plant or organ that possesses two leaves or two leaf-like divisions in its form
3. Having a pair of leaves, a characteristic seen in some seedlings, shoots and other botanical structures

Etymology: Ancient Greek gave English this word in pieces: "díphullos" joins "dis-" (two) to "phúllon" (leaf), so the literal sense is "two-leaved." The English adjective is simply that Greek compound with the "-ous" ending attached, the same way "-ous" turns many Latin and Greek nouns into descriptive adjectives. Botanists use the word to describe plants whose seed-bearing structures or embryonic leaves appear in pairs, a feature that helps identify many species. The term is a technical coinage built from classical parts rather than a word the Greeks themselves applied to plants in this exact form, and the French "diphylle" shows the same construction passing through a neighbouring language.

Synonyms: bifoliate