| ANEROIDS | • aneroids n. Plural of aneroid. • ANEROID n. a type of barometer. |
| EMEROIDS | • EMEROID n. a haemorrhoid, also EMEROD. |
| STEROIDS | • steroids n. Plural of steroid. • STEROID n. any of a class of compounds including the sterols, bile acids, adrenal hormones, sex hormones. |
| AMBEROIDS | • AMBEROID n. a synthetic amber, also AMBROID. |
| ASTEROIDS | • asteroids n. Plural of asteroid. • ASTEROID n. a rocky object, a type of celestial body. |
| SPHEROIDS | • spheroids n. Plural of spheroid. • SPHEROID n. a body resembling or approximating to a sphere in shape. |
| TUBEROIDS | • tuberoids n. Plural of tuberoid. • TUBEROID n. a thickened or fleshy root resembling a tuber. |
| BACTEROIDS | • bacteroids n. Plural of bacteroid. • BACTEROID n. a swollen bacterium living symbiotically in the root-nodules of beans and other plants, also BACTERIOID. |
| NONSTEROIDS | • nonsteroids n. Plural of nonsteroid. • NONSTEROID n. a drug that is not a steroid. |
| NORSTEROIDS | • norsteroids n. Plural of norsteroid. |
| DIPHTHEROIDS | • diphtheroids n. Plural of diphtheroid. • DIPHTHEROID n. a bacterium that resembles the bacterium of diphtheria but does not produce diphtheria toxin. |
| EURYPTEROIDS | • EURYPTEROID n. a eurypterid. |
| KETOSTEROIDS | • ketosteroids n. Plural of ketosteroid. • KETOSTEROID n. a steroid, such as cortisone or estrone, containing a ketone group. |
| HEMISPHEROIDS | • hemispheroids n. Plural of hemispheroid. • HEMISPHEROID n. the half of a spheroid. |
| ORTHOPTEROIDS | • orthopteroids n. Plural of orthopteroid. • ORTHOPTEROID n. a member of the Orthoptera, cockroaches. |
| CORTICOSTEROIDS | • corticosteroids n. Plural of corticosteroid. • CORTICOSTEROID n. any of the steroid hormones produced in the adrenal cortex, also CORTICOID. |