prosiphon
nounB2Định nghĩa theo từ loại
Danh từ
nounPlural noun:
prosiphons
- 1.
(zoology) A minute tube found in the protoconch of ammonites, not connected with the true siphon.
Nguồn gốc từ
From pro- + siphon.
(zoology) A minute tube found in the protoconch of ammonites, not connected with the true siphon.
From pro- + siphon.