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.
Sound
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noun
A white band of cholesterol that forms at the edge of the cornea
Definition source: English Wiktionary via Wiktextract
Topics: medicine, sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
A low, horizontal cloud typically forming at the leading edge of thunderstorm outflow
Definition source: English Wiktionary via Wiktextract
Topics: climatology, meteorology, natural-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
An elastic band around the base of the arolium, a pad at the end of the leg of certain insects
Definition source: English Wiktionary via Wiktextract
Topics: biology, entomology, natural-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
An arc-shaped band of thickened sexine extending between two apertures on a pollen grain or spore
Definition source: English Wiktionary via Wiktextract
Topics: biology, chemistry, microbiology, natural-sciences, palynology, physical-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
a whitish deposit in the shape of an arc that is sometimes seen in the cornea
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: arcus senilis
Antonyms: none provided
Broader terms: cornea
History
Borrowed from Latin arcus. Doublet of arc and arco. Distantly related to arrow.
Across languages
2 source translations are retained for this English entry.
