different between mattoid vs mastoid

English

Etymology

From Italian matto (“insane”) + -oid (“likeness or resemblance”), from Ancient Greek ????? (eîdos, “form”)

Adjective

mattoid (comparative more mattoid, superlative most mattoid)

1. Displaying erratic behaviour

Noun

mattoid (plural mattoids)

1. A person who displays such behaviour; a person of congenitally abnormal mind bordering on insanity or degeneracy.

References

• OED (online) 2001
• Concise Oxford Dictionary 1964
• mattoid at OneLook Dictionary Search

English

Etymology

Borrowed from New Latin masto?d?s, from Ancient Greek ?????????? (mastoeid?s, “like a breast”), from ?????? (mastós, “a woman's breast”) +? -????? (-eid?s, “-like, -oid”).

Pronunciation

• IPA^(key): /?mæ.st??d/
• Rhymes: -æst??d

Adjective

mastoid (not comparable)

1. (anatomy) Being the process of the temporal bone behind the ear.
   1. (zootomy) Being any of several bony elements that occupy a similar position in the skull of lower vertebrates.
2. (anatomy) Of or relating to the mastoid process of the temporal bone.

Derived terms

Noun

mastoid (plural mastoids)

1. (anatomy) Ellipsis of mastoid process.
2. (medicine, informal) Clipping of mastoiditis.

Derived terms

• mastoidal
• mastoidectomy
• mastoiditis

References

• “mastoid”, in Lexico, Dictionary.com; Oxford University Press, 2019–present.
• “mastoid”, in Merriam–Webster Online Dictionary, (Please provide a date or year).

Anagrams

• diatoms