11-letter words containing r, h, o, d
- hydroxylate — to introduce hydroxyl into (a compound).
- hydroxyurea — a synthetic compound, CH 4 N 2 O 2 , used in cancer therapy.
- hydroxyzine — an antihistaminic compound, C 21 H 27 ClN 2 O 2 , used in the treatment of allergy, nausea, and anxiety.
- hyperboloid — a quadric surface having a finite center and some of its plane sections hyperbolas. Equation: x 2 / a 2 + y 2 / b 2 − z 2 / c 2 = 1.
- hyperdorian — of or related to the mode above the Dorian mode in ancient Greek music
- hypermodern — of or relating to present and recent time; not ancient or remote: modern city life.
- hypodermics — Plural form of hypodermic.
- hypoid gear — a gear resembling a bevel gear in form but designed to mesh with a similar gear in such a way that their axes would not intersect, one axis crossing over the other at approximately a right angle.
- hypothyroid — deficient activity of the thyroid gland.
- icosahedral — Of, relating to, or having the shape of an icosahedron.
- icosahedron — a solid figure having 20 faces.
- ideographic — an ideogram.
- idiographic — pertaining to or involving the study or explication of individual cases or events (opposed to nomothetic).
- idiomorphic — Also, euhedral. (in a rock) noting or pertaining to a mineral constituent having its own characteristic outward crystalline form unaltered by the other constituents of the rock; automorphic.
- ironhearted — hardhearted or callous
- ischidrosis — Anhidrosis.
- isodiaphere — one of two or more nuclides in which the difference between the number of neutrons and the number of protons is the same
- kid brother — younger male sibling
- lady orchid — a tall graceful orchid, Orchis purpurea, with faintly scented purple-brown and green flowers with a pinkish or white lip
- land-holder — a holder, owner, or occupant of land.
- landholders — Plural form of landholder.
- leaseholder — a tenant under a lease.
- leatherwood — an American shrub, Dirca palustris, having a tough bark.
- lens holder — a container which holds a thin curved piece of glass or plastic in place
- lionhearted — exceptionally courageous or brave.
- loggerheads — a thick-headed or stupid person; blockhead.
- long-haired — Sometimes Disparaging. an intellectual.
- lord cobham — title of Sir John Oldcastle
- loud-hailer — a portable loudspeaker having a built-in amplifier and microphone
- loudhailers — Plural form of loudhailer.
- low hurdles — a race in which runners leap over hurdles 2 feet 6 inches (76 cm) high.
- march-order — to prepare (personnel, arms, and equipment) for a march.
- matchboards — Plural form of matchboard.
- micromethod — the use of magnification, usually by using a microscope, for study or for performing mechanical operations on a very small scale.
- monographed — Simple past tense and past participle of monograph.
- monohybrids — Plural form of monohybrid.
- monohydrate — a hydrate that contains one molecule of water, as ammonium carbonate, (NH 4) 2 CO 3 ·H 2 O.
- monohydroxy — (of a molecule) containing one hydroxyl group.
- moth orchid — any orchid of the genus Phalaenopsis, having thick, leathery leaves and loose clusters of flowers, usually white or tinged with rose or purple.
- mother lode — Mining. a rich or important lode.
- motherboard — a rigid, slotted board upon which other boards that contain the basic circuitry of a computer or of a computer component can be mounted. Compare board (def 14).
- motherlands — Plural form of motherland.
- mothproofed — Simple past tense and past participle of mothproof.
- mouth guard — protective shield for teeth
- musk orchid — a small Eurasian orchid, Herminium monorchis, with dense spikes of musk-scented greenish-yellow flowers
- neoorthodox — adhering to the principles of neoorthodoxy.
- netherworld — the infernal regions; hell.
- ninth chord — a chord formed by the superposition of four thirds.
- nonadherent — That does not adhere.
- nonahydrate — (chemistry) A hydrate whose solid contains nine molecules of water of crystallization per molecule, or per unit cell.