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List of 12-letter words containing

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There are 14 twelve-letter words containing A, 2D, H, M and O

AMPHIDIPLOIDamphidiploid adj. (Genetics) Having a diploid set of chromosomes from each of its parents.
amphidiploid n. (Biology) Such an organism.
AMPHIDIPLOID n. a hybrid having a complete diploid chromosome set from each parent.
ARCHDUKEDOMSarchdukedoms n. Plural of archdukedom.
ARCHDUKEDOM n. the domain of an archduke.
FORMALDEHYDEformaldehyde n. (Organic chemistry) The simplest aldehyde, HCHO, a colourless gas that has many industrial applications;…
FORMALDEHYDE n. a formic aldehyde, formalin.
HEBDOMADALLYhebdomadally adv. In periods of seven days; weekly.
HEBDOMADAL adv. occurring, appearing, or done every seven days; weekly.
HYDATIDIFORMhydatidiform adj. Resembling a hydatid.
HYDATIDIFORM adj. having the shape of a hydatid, a fluid-filled cyst, esp. one containing tapeworm larva.
HYDRODYNAMIChydrodynamic adj. (Physics) Of, or relating to the science of hydrodynamics.
hydrodynamic adj. Operated by the force of water in motion.
HYDRODYNAMIC adj. of, relating to, or involving principles of hydrodynamics, also HYDRODYNAMICAL.
HYDROMEDUSAEhydromedusae n. Plural of hydromedusa.
HYDROMEDUSA n. a hydrozoan in its medusoid stage, also HYDROMEDUSAN, HYDROMEDUSOID.
HYDROMEDUSANhydromedusan adj. (Zoology) Relating to the hydromedusas.
HYDROMEDUSAN n. a hydromedusa, also HYDROMEDUSA, HYDROMEDUSOID.
HYDROMEDUSAShydromedusas n. Plural of hydromedusa.
HYDROMEDUSA n. a hydrozoan in its medusoid stage, also HYDROMEDUSAN, HYDROMEDUSOID.
MONOHYDRATEDmonohydrated adj. Hydrated with a single molecule of water.
MONOHYDRATED adj. like a monohydrate.
MUTTONHEADEDmuttonheaded adj. (Britain, slang) Being a muttonhead; stupid or foolish.
MUTTONHEADED adj. stupid.
RHODOMONTADErhodomontade n. Dated spelling of rodomontade.
rhodomontade v. Dated spelling of rodomontade.
RHODOMONTADE n. (French) a bragging speech; vain boasting or bluster.
THALIDOMIDESthalidomides n. Plural of thalidomide.
THALIDOMIDE n. a nonbarbiturate sedative drug, withdrawn in 1961 because found to cause malformation in the fetus if taken during pregnancy.
UNADMONISHEDunadmonished adj. Not admonished.
UNADMONISHED adj. not admonished.

Scrabble words — in black are valid world wide — in RED are not valid in North America — in GREEN are valid only in North America.
Definitions are short excerpt from the WikWik.org and 1Word.ws.

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