| ASTOMOUS | • astomous adj. Alternative form of astomatous. • ASTOMOUS adj. having no mouthlike opening. |
| AUTOTOMOUS | • autotomous adj. Exhibiting or relating to autotomy. • AUTOTOMOUS adj. relating to autotomy. |
| HYLOTOMOUS | • HYLOTOMOUS adj. of insects, cutting or boring wood. |
| XYLOTOMOUS | • xylotomous adj. That bores or cuts into wood, as with certain insects. • XYLOTOMOUS adj. of insects, cutting or boring wood. |
| DICHOTOMOUS | • dichotomous adj. Dividing or branching into two pieces. • DICHOTOMOUS adj. forking into two equal branches. |
| LITHOTOMOUS | • LITHOTOMOUS adj. boring in rocks, as some molluscs. |
| MONOSTOMOUS | • monostomous adj. (Zoology) Having a single mouth or similar opening. • MONOSTOMOUS adj. having only one mouth, pore or similar opening, also MONOSTOME. |
| AMPHISTOMOUS | • amphistomous adj. (Zoology) Having a sucker at each extremity. • AMPHISTOMOUS adj. having a sucker at either end, as some worms. |
| ANGIOSTOMOUS | • ANGIOSTOMOUS adj. narrow-mouthed; with a mouth that is not distensible, also ANGIOSTOMATOUS. |
| CYCLOSTOMOUS | • cyclostomous adj. (Zoology) Relating to the cyclostomes. • CYCLOSTOMOUS adj. of or like a cyclostome. |
| MICROSTOMOUS | • MICROSTOMOUS adj. having an unusually small mouth, also MICROSTOMATOUS. |
| PHYSOSTOMOUS | • physostomous adj. (Zoology) Having a duct to the air bladder. • physostomous adj. (Zoology) Relating to the Physostomi. • PHYSOSTOMOUS adj. of fishes, having a duct connecting the air bladder to part of the alimentary canal. |
| TELEOSTOMOUS | • TELEOSTOMOUS adj. belonging to the Teleostomi, fishes with membrane bones in the skull. |
| TRICHOTOMOUS | • trichotomous adj. Divided into three parts, or into threes; forking three ways. • trichotomous adj. (Set theory) Such that, for all x and y in X, and for a binary relation R, exactly one of xRy, yRx or x=y holds. • TRICHOTOMOUS adj. divided into three parts. |
| PLAGIOSTOMOUS | • plagiostomous adj. (Zoology) Of or pertaining to the Plagiostomi. • PLAGIOSTOMOUS adj. of or like a plagiostome, also PLAGIOSTOMATOUS. |
| POLYCHOTOMOUS | • polychotomous adj. Divisible or separable into multiple groups or pieces. • POLYCHOTOMOUS adj. dividing or marked by division into many parts, branches, or classes. |
| TETRACHOTOMOUS | • tetrachotomous adj. Dividing or branching into four equal pieces. • TETRACHOTOMOUS adj. divided into fours. |