| CONINS | • CONIN n. a liquid, highly poisonous alkaloid found in hemlock, also CONIA, CONICINE, CONIINE, CONINE. |
| RONINS | • ronins n. Plural of ronin. • rōnins n. Plural of rōnin. • RONIN n. (Japanese) a lordless samurai. |
| MECONINS | • MECONIN n. a white, fusible, neutral substance existing in opium. |
| OPSONINS | • opsonins n. Plural of opsonin. • OPSONIN n. a substance of blood serum making bacteria vulnerable to phagocytic action. |
| PYRONINS | • pyronins n. Plural of pyronin. • PYRONIN n. either of two synthetic red xanthene dyes, also PYRONINE. |
| SAPONINS | • saponins n. Plural of saponin. • SAPONIN n. a soapy substance obtained from plants, also SAPONINE. |
| THIONINS | • thionins n. Plural of thionin. • THIONIN n. a violet dye, also THIONINE. |
| SANTONINS | • santonins n. Plural of santonin. • SANTONIN n. an anthelminthic extracted from santonica. |
| SYNTONINS | • syntonins n. Plural of syntonin. • SYNTONIN n. a substance similar to fibrin. |
| TROPONINS | • troponins n. Plural of troponin. • TROPONIN n. a protein of muscle. |
| DIGITONINS | • digitonins n. Plural of digitonin. • DIGITONIN n. a steroid saponin occurring in the leaves and seeds of foxglove. |
| MELATONINS | • melatonins n. Plural of melatonin. • MELATONIN n. a hormone secreted by the pineal gland during the hours of darkness. |
| SEROTONINS | • serotonins n. Plural of serotonin. • SEROTONIN n. a compound occurring in the brain, acting as a neurotransmitter. |
| CALCITONINS | • calcitonins n. Plural of calcitonin. • CALCITONIN n. a hormone secreted by the thyroid gland, controlling the rate of bone destruction. |
| CHAPERONINS | • chaperonins n. Plural of chaperonin. |