10-letter words containing h, a, l, o, m, r
- phlebogram — venogram.
- phloem ray — a vascular ray extending into or located entirely within the secondary phloem.
- photomural — a wall decoration consisting of a very large photograph or photographs.
- regal moth — a large moth, Citheronia regalis, having yellow spots on gray to olive forewings and on orange-red hind wings.
- rhomboidal — shaped almost like a diamond or rhomboid
- roche alum — an alumlike substance derived from alunite.
- schoolmarm — a female schoolteacher, especially of the old-time country school type, popularly held to be strict and priggish.
- slow march — a march in slow time
- solar myth — a myth explaining or allegorizing the origin or movement of the sun
- thalliform — resembling a thallus
- thimerosal — a cream-colored, crystalline, water-soluble powder, C 9 H 9 HgNaO 2 S, used chiefly as an antiseptic.