12-letter words containing h, y, d, r, i
- methysergide — an ergot alkaloid derivative, C 2 1 H 2 7 N 3 O 2 , used in the prophylaxis and treatment of migraine and cluster headaches.
- ninety-third — next after the ninety-second; being the ordinal number for 93.
- orchidectomy — orchiectomy.
- policyholder — the individual or firm in whose name an insurance policy is written; an insured.
- polyhedrosis — an often fatal disease of certain insect larvae or decapod crustaceans, caused by viruses containing DNA.
- pteridophyte — any plant of the division Pteridophyta, characterized by vascular tissue and differentiation into root, stem, and leaves, comprising the ferns, horsetails, and club mosses.
- pyritohedral — of or relating to a pyritohedron
- pyritohedron — a crystal form of 12 pentagonal faces.
- radiotherapy — treatment of disease by means of x-rays or of radioactive substances.
- rhytidectomy — face-lift.
- ride a hobby — to be excessively devoted to one's favorite pastime or subject
- siderography — the art or technique of engraving on steel.
- synarthrodia — synarthrosis.
- third eyelid — nictitating membrane.
- thirty-third — next after the thirty-second; being the ordinal number for 33.
- this-worldly — distinguished by or relating to material or earthly concerns; not spiritual or concerned with life in a future or imaginary world
- trophy child — anything taken in war, hunting, competition, etc., especially when preserved as a memento; spoil, prize, or award.
- twenty-third — next after the twenty-second; being the ordinal number for 23.
- typhoid mary — Mary ("Typhoid Mary") 1869?–1938, U.S. cook, born in Ireland: known immune carrier of typhoid fever who infected many with the disease, institutionalized in 1914.
- winter-hardy — able to survive the effects of cold weather.
- wordsmithery — the craft or skill of a wordsmith