Standard Lemma guide
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.
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adj
Pertaining to the Rh-null syndrome, or blood produced by the syndrome.
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
Ellipsis of Rh-null blood, a blood type, in which red blood cells are completely lacking in all antigens of the Rh-blood-typing system (Rh factors), a system of 61 antigen types.
Definition source: English Wiktionary via Wiktextract
Usage: abbreviation, alt-of, ellipsis, uncountable
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
From Rh (“Rhesus factor”) + null (“missing, none”).
