Standard Lemma guide

preclinical

adj · 3 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

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  • CMU ARPABET: P R IY0 K L IH1 N IH0 K AH0 L Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adj

Meaning 1

Describing the period of a disease before any symptoms appear

Definition source: English Wiktionary via Wiktextract

Topics: medicine, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adj

Meaning 2

Describing a test or trial of a new pharmaceutical on animals (or in vitro) rather than on humans

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adjective

Meaning 3

of or relating to the early phases of a disease when accurate diagnosis is not possible because symptoms of the disease have not yet appeared

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: presymptomatic

Antonyms: none provided

History

Etymology

Etymology tree Proto-Indo-European *per- Proto-Indo-European *preh2- Proto-Indo-European *-i Proto-Indo-European *préh2i? Proto-Italic *prai Proto-Italic *prai- Latin prae-lbor. Middle English pre- English pre- Proto-Indo-European *ḱel- Proto-Indo-European *-éyti Proto-Indo-European *ḱley- Proto-Indo-European *-né- Proto-Indo-European *ḱl̥néyti Proto-Hellenic *klíňňō Ancient Greek κλῑ́νω (klī́nō) Proto-Indo-European *-h2 Proto-Indo-European *-éh2 Ancient Greek -ᾱ (-ā) Ancient Greek -η (-ē) Ancient Greek κλῑ́νη (klī́nē) Proto-Indo-European *-kos Proto-Hellenic *-kos Ancient Greek -κός (-kós) Ancient Greek -ῐκός (-ĭkós) Ancient Greek κλῑνῐκός (klīnĭkós)bor. Late Latin clīnicus French cliniquebor. English clinic English -al English clinical English preclinical From pre- + clinical.