| HAMMERSTONES | • hammerstones n. Plural of hammerstone. • HAMMERSTONE n. a stone used as a hammer in the production of tools during the Acheulian period. |
| HEMIHEDRISMS | • hemihedrisms n. Plural of hemihedrism. • HEMIHEDRISM n. a property of crystals of being hemihedral, or having half the number of symmetrically arranged planes occurring on a holohedron. |
| HEMITROPISMS | • HEMITROPISM n. the state of being a hemitrope, a twinned crystal. |
| HERMETICISMS | • hermeticisms n. Plural of hermeticism. • HERMETICISM n. a system of ideas based on hermetic teachings, also HERMETISM. |
| HOMOEROTISMS | • HOMOEROTISM n. homosexuality, also HOMOEROTICISM. |
| MESOMORPHIES | • MESOMORPHY n. the state of being a mesomorph. |
| MESOMORPHISM | • mesomorphism n. The condition of being mesomorphic. • MESOMORPHISM n. the state of being mesomorphic. |
| MESOMORPHOUS | • mesomorphous adj. Mesomorphic. • MESOMORPHOUS adj. relating to a mesomorph. |
| MESOTHORIUMS | • mesothoriums n. Plural of mesothorium. • MESOTHORIUM n. an old name for either of two radioactive elements. |
| MUSHROOMIEST | • MUSHROOMY adj. of or like a mushroom. |
| SHAMATEURISM | • shamateurism n. The fact or practice of being a shamateur; making money out of sports despite professing to be an amateur. • SHAMATEURISM n. the retention of amateur status while receiving payment for playing or competing. |
| SPRECHSTIMME | • Sprechstimme n. A dramatic vocal style midway between speaking and singing. • SPRECHSTIMME n. (German) music using the sprechgesang form of vocalization. |
| SUMMERHOUSES | • summerhouses n. Plural of summerhouse. • summer-houses n. Plural of summer-house. • summer␣houses n. Plural of summer house. |