Word Study
[2x]
: Pâ Pæ Pè Pé Pœ P- P. P/ P< Pa Pb Pc Pd Pe Pf Ph Pi Pj Pk Pl Pm Pn Po Pp Pr Ps Pt Pu Pv Pw Px Py
protoceratops |
protocercal |
protococcus |
protocol |
protocolist |
protoconch
| protoctist
| protoctist family
| protoctist genus
| protoctist order
| protoctista
protoconch
CIDE DICTIONARY
protoconch, n. [Proto- + conch.].
The embryonic shell, or first chamber, of ammonites and other cephalopods. [1913 Webster]
For further exploring for "protoconch" in Webster Dictionary Online