Standard Lemma guide

hydrous

adj · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • General-American: /ˈhaɪdɹəs/
  • US: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: HH AY1 D R AH0 S Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adj

Meaning 1

Containing combined water; hydrated.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Topics: chemistry, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adjective

Meaning 2

containing combined water (especially water of crystallization as in a hydrate)

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: hydrated

Antonyms: anhydrous

History

Etymology

From Ancient Greek ὑδροῦς (hudroûs), from the combining form of ὕδωρ (húdōr, “water”) + -οῦς (-oûs, “-ous, -ful”). Equivalent to hydro- + -ous. Doublet of Otranto and Hydruntum.

Across languages

Translations

6 source translations are retained for this English entry.

  • Bulgarian: воден (voden) — containing combined water
  • Bulgarian: съдържащ вода (sǎdǎržašt voda) — containing combined water
  • German: wasserhaltig — containing combined water
  • Japanese: 含水の (gansui no) — containing combined water
  • Polish: wodny — containing combined water
  • Turkish: sulu — containing combined water