Alecithal :: Alecithal (a.) Applied to those ova which segment uniformly, and which have little or no food yelk embedded in their protoplasm..
Athalamous :: Athalamous (a.) Not furnished with shields or beds for the spores, as the thallus of certain lichens..
Azimuthal :: Azimuthal (a.) Of or pertaining to the azimuth; in a horizontal circle.
Benthal :: Benthal (a.) Relating to the deepest zone or region of the ocean.
Bequeathal :: Bequeathal (n.) The act of bequeathing; bequeathment; bequest.
Betrothal :: Betrothal (n.) The act of betrothing, or the fact of being betrothed; a mutual promise, engagement, or contract for a future marriage between the persons betrothed; betrothment; affiance..
Boothale :: Boothale (v. t. & i.) To forage for booty; to plunder.
Centrolecithal :: Centrolecithal (a.) Having the food yolk placed at the center of the ovum, segmentation being either regular or unequal..
Ectolecithal :: Ectolecithal (a.) Having the food yolk, at the commencement of segmentation, in a peripheral position, and the cleavage process confined to the center of the egg; as, ectolecithal ova..
Edriophthalma :: Edriophthalma (n. pl.) A group of Crustacea in which the eyes are without stalks; the Arthrostraca.
Foothalt :: Foothalt (n.) A disease affecting the feet of sheep.
Gymnophthalmata :: Gymnophthalmata (n. pl.) A group of acalephs, including the naked-eyed medusae; the hydromedusae. Most of them are known to be the free-swimming progeny (gonophores) of hydroids..
Hygrophthalmic :: Hygrophthalmic (a.) Serving to moisten the eye; -- sometimes applied to the lachrymal ducts.