[yoo-nuh-valv] 
[yoo-nuh-val-vyuh-ler] . | 1. | having one valve. |
| 2. | (of a shell) composed of a single valve or piece. |
| 3. | a univalve mollusk or its shell. |
univalve (y 'nĭ-vālv') Pronunciation Key
A gastropod, especially one with a single shell, such as a snail, cone, whelk, abalone, or limpet. Univalves belong to the subclass Prosobranchia. Their shells are usually spiral and can hold the whole animal inside. Compare bivalve. |
nəˌvælv