12-letter words containing d, e, h, y, p
- pentahydroxy — (of a molecule) containing five hydroxyl groups.
- phased array — a radar antenna consisting of an array of dipoles that are excited in or out of phase with each other to control beam direction and radiation pattern without moving the antenna. Compare dipole (def 3).
- phytonadione — vitamin K1.
- pidyon haben — the rite of relieving the first male child born to parents not descended from Aaron or Levi of certain religious obligations by redeeming him from a member of the priestly class, celebrated 30 days after the child's birth.
- 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.
- polysulphide — any sulphide of a metal containing divalent anions in which there are chains of sulphur atoms, as in the polysulphides of sodium, Na2S2, Na2S3, Na2S4, etc
- polythiazide — a substance, C 1 1 H 1 3 ClF 3 N 3 O 4 S 3 , used as a diuretic in the management of edema and hypertension.
- pseudography — writing that does not follow conventional spelling or usage
- 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.
- shepherd boy — male child who herds sheep
- siderography — the art or technique of engraving on steel.
- synadelphite — an arsenate containing manganese and aluminium
- unhyphenated — without a hyphen