cryp·to·mon·a·di·na \-ˌmänəˈdīnə, -dēnə\noun plural Usage: capitalized Etymology: New Latin, from Cryptomonad-, Cryptomonas + -ina : a small order of plantlike flagellates having one or two flagella and usually yellow-brown chromatophores — see cryptomonadales, cryptomonadidae