| TINKERTOY | • TINKERTOY n. (tradename) a child's construction set. |
| KERATOTOMY | • keratotomy n. (Medicine) A surgical incision in the cornea. • KERATOTOMY n. surgery of the cornea. |
| KRYPTONITE | • kryptonite n. (Figuratively) The one weakness of something or someone that is otherwise invulnerable, an Achilles heel. • KRYPTONITE n. something that renders a person or thing helpless. |
| TINKERTOYS | • TINKERTOY n. (tradename) a child's construction set. |
| DEUTEROTOKY | • deuterotoky n. The production of both male and female offspring by parthenogenesis. • DEUTEROTOKY n. parthenogenesis in which both males and females are produced. |
| KERATECTOMY | • keratectomy n. (Surgery) An operation that removes part of the cornea, as in keratomileusis. • KERATECTOMY n. surgical incision of the cornea. |
| KRYPTONITES | • KRYPTONITE n. something that renders a person or thing helpless. |
| THANKWORTHY | • thankworthy adj. Deserving thanks; worthy of gratitude. • THANKWORTHY adj. worthy of thanks. |
| KERATOPLASTY | • keratoplasty n. (Surgery) grafting or transplantation of the cornea. • KERATOPLASTY n. plastic surgery on the cornea. |
| PHYTOPLANKTER | • phytoplankter n. A single phytoplankton organism. • PHYTOPLANKTER n. a planktonic plant. |
| THANKWORTHILY | • THANKWORTHY adv. worthy of thanks. |
| HETEROKARYOTIC | • heterokaryotic adj. Relating to heterokaryosis or to heterokaryons. • HETEROKARYOTIC adj. relating to heterokaryosis. |
| HYPERKERATOTIC | • hyperkeratotic adj. Of, pertaining to, or suffering from hyperkeratosis. • HYPERKERATOTIC adj. suffering from hyperkeratosis. |
| PHYTOPLANKTERS | • phytoplankters n. Plural of phytoplankter. • PHYTOPLANKTER n. a planktonic plant. |