9-letter words containing p, l, o, y
- hypnology — the science dealing with the phenomena of sleep.
- hypoblast — the endoderm.
- hypocotyl — the part of a plant embryo directly below the cotyledons, forming a connection with the radicle.
- hypoploid — having a chromosome number that is less than the diploid number.
- hypostyle — having many columns carrying the roof or ceiling: a hypostyle hall.
- impiously — not pious or religious; lacking reverence for God, religious practices, etc.; irreligious; ungodly.
- isopentyl — isoamyl.
- isopolity — equal rights of citizenship, as in different communities; mutual political rights.
- isopropyl — containing the isopropyl group.
- isopycnal — Also, isopycnal [ahy-suh-pik-nl] /ˌaɪ səˈpɪk nl/ (Show IPA). having the same density.
- labor spy — an employee who is used by management to spy on union activities.
- lalopathy — any defect of speech.
- laypeople — a person who is not a member of the clergy; one of the laity.
- layperson — a person who is not a member of the clergy; one of the laity.
- lectotype — a specimen designated as the type of a species or subspecies when no holotype was designated by the original author of the name.
- leprosery — a hospital for leprosy sufferers
- leprosity — the state of being leprous
- leprously — In a leprous way.
- lily pons — Lily [lil-ee;; French lee-lee] /ˈlɪl i;; French liˈli/ (Show IPA), 1904–76, U.S. operatic soprano, born in France.
- lindy hop — Also called lindy hop, Lindy Hop. an energetic jitterbug dance.
- line copy — a document, drawing, or the like, consisting of two tones, as black and white, without intermediate gradations. Compare halftone (def 1).
- linotyper — a person who uses a Linotype printing machine
- lipectomy — the surgical removal of fatty tissue.
- lipolysis — the hydrolysis of fats into fatty acids and glycerol, as by lipase.
- lipolytic — Of or pertaining to lipolysis.
- lipotropy — the process of breaking down excess fat in the human body
- logotypes — Plural form of logotype.
- long play — a long-playing phonograph record.
- lycopolis — the Ancient Greek name for Asyut
- lycopsids — Plural form of lycopsid.
- lymphomas — Plural form of lymphoma.
- lyophiled — (of blood, serum, tissue, etc) freeze-dried
- lyophilic — noting a colloid the particles of which have a strong affinity for the liquid in which they are dispersed.
- lyophobic — noting a colloid the particles of which have little or no affinity for the liquid in which they are dispersed.
- lyotropic — noting any series of ions, salts, or radicals arranged in descending order relative to the magnitude of their effect on a given solvent.
- mesophyll — the parenchyma, usually containing chlorophyll, that forms the interior parts of a leaf.
- micropyle — Zoology. any minute opening in an ovum through which a spermatozoon can enter, as in many insects.
- misemploy — to use for the wrong purpose; use wrongly or improperly; misuse.
- monophyly — (systematics) In cladistics, the condition of being monophyletic, of including all descendants from a given ancestral species.
- multicopy — any of several or many copies (of a book, document, record, etc)
- mycophile — A person who likes hunting for, cooking or eating mushrooms and other edible fungi.
- neoplasty — the surgical formation of new tissue structures or repair of damaged structures
- nephology — The study or contemplation of clouds.
- nonplayer — a person that is not playing
- notaphily — the collecting of bank notes as a hobby.
- nyctalope — a person or animal affected by nyctalopia
- nyctalops — a person affected by nyctalopia
- oedipally — in an oedipal manner
- oenophily — a liking for or expert knowledge of wine
- oligopoly — the market condition that exists when there are few sellers, as a result of which they can greatly influence price and other market factors. Compare duopoly, monopoly (def 1).