orthotriaene
/ˌɔːθə(ʊ)ˈtrʌɪiːn/Zoology
noun
A sponge spicule with three short rays projecting at right angles from a longer ray.
Origin
Late 19th century; earliest use found in William Sollas (1849–1936), geologist and anthropologist. From ortho- + triaene.
- Provençalized
- prover
- proverb
- proverbial
- proverbialism
- proverbialist
- proverbiality
- proverbialize
- proverbializing
- proverbially
- proverbic
- proverbiology
- Proverbs
- prove someone wrong
- prove something up
- pro-vicar
- pro-vicariate
- pro-vice-chancellor
- providable
- provide
- provided
- provided school
- providence
- Providence Plantations
- provident