1. cochleate—[C] shaped like a snail shell; as, A single, small cochleate charm hung on a chain around Hurit’s neck.
2. aerodynamic—[B] with a shape that reduces drag from air moving past; as, With its sharply pointed wing tips, the swift is one of the world’s most aerodynamic birds.
3. stellate—[A] star-shaped; as, The red, stellate flowers stood out against the drab fence.
4. helix—[A] something spiral in form; as, Crick and Watson discovered the double helix structure of DNA in 1953.
5. asymmetrical—[C] lopsided; as, Dana’s new sculptures were asymmetrical, and Bernie feared they would topple over.
6. fabiform—[A] bean-shaped; as, Professor Khalid tried to identify the tree from its large, fabiform leaves.
7. oblong—[C] elongated; as, Gena did not like the oblong cushions because they took up so much space on the sofa.
8. cordate—[B] shaped like a heart; as, Hisham’s colourful tapestry hung on the wall, a cordate tribute to his late wife. 9. tapered—[C] narrower at one end; as, To ease installation, the metal pins were tapered.
10. toroidal—[B] donut-shaped; as, Some physicists believe that black holes can temporarily take on a toroidal form.
11. corrugated—[A] bent into parallel folds; as, The shed’s corrugated walls added strength to the structure.
12. scutiform—[B] shield-shaped; as, At the reunion, Harry held high the scutiform sign he had made displaying his family’s crest.
13. navicular—[C] with a boat-like form; as, The navicular bone in the ankle was named for its scoopedout appearance.
14. lozenge—[B] something diamond-shaped; as, During the road-sign test, the driving student struggled to remember the significance of the yellow lozenge.
15. bulbous—[A] fat and round; as, The faucet was equipped with two bulbous handles for easy use. VOCABULARY RATINGS 7–10: fair 11–12: good 13–15: excellent