18-letter words containing s, t, y, l, o
- greater yellowlegs — either of two American shorebirds having yellow legs, Tringa melanoleuca (greater yellowlegs) or T. flavipes (lesser yellowlegs)
- hepatosplenomegaly — Enlargement of both the liver and spleen.
- hexaphosphorylated — (biochemistry) phosphorylated with six units of phosphoric acid.
- hidalgo y costilla — Miguel [mee-gel] /miˈgɛl/ (Show IPA), 1753–1811, Mexican priest, patriot, and revolutionist.
- hilary of poitiers — Saint, a.d. c300–368, French bishop and theologian.
- histocompatibility — the condition of having antigenic similarities such that cells or tissues transplanted from one (the donor) to another (the recipient) are not rejected.
- historical geology — the branch of geology dealing with the history of the earth.
- hyperaldosteronism — aldosteronism.
- hypercholesteremia — Alternative spelling of hypercholesteraemia.
- hypernationalistic — a person devoted to nationalism.
- hyperphosphorylate — To phosphorylate fully.
- hypersexualisation — Alternative spelling of hypersexualization.
- hypersexualization — The act or process of hypersexualizing.
- hypophosphorylated — (biochemistry) phosphorylated to a less than normal extent, or less than fully.
- hysterical reasons — (Or "hysterical raisins") A variant on the stock phrase "for historical reasons", indicating specifically that something must be done in some stupid way for backward compatibility, and moreover that the feature it must be compatible with was the result of a bad design in the first place. "All IBM PC video adaptors have to support MDA text mode for hysterical reasons." Compare bug-for-bug compatible.
- idylls of the king — a series of poems by Tennyson, based on Arthurian legend.
- ignatius of loyola — Loyola, Saint Ignatius.
- incommensurability — not commensurable; having no common basis, measure, or standard of comparison.
- inconsequentiality — of little or no importance; insignificant; trivial.
- involuntary muscle — muscle: contracts involuntarily
- isoamyl salicylate — a colorless, sometimes slightly yellow, synthetic oil, C 12 H 16 O 3 , having an orchidlike odor: used in perfumery.
- james-lange theory — a theory that emotions are caused by bodily sensations; for example, we are sad because we weep
- known lazy bastard — (abuse) (KLB) A term, used among technical support staff, for a user who repeatedly asks for help with problems whose solutions are clearly explained in the documentation, and persists in doing so after having been told to RTFM. KLBs are singled out for special treatment (i.e. ridicule), especially if they have been heard to say "It's so boring to read the manual! Why don't you just tell me?". The deepest pit in Hell is reserved for KLBs whose questions reveal total ignorance of the basic concepts (e.g., "How do I make a font in Excel?", "Where do I turn on my RAM?"), and who refuse to accept that their questions are neither simple nor well-formed.
- lincoln's birthday — February 12, a legal holiday in some states of the U.S., in honor of the birth of Abraham Lincoln.
- live by one's wits — the keen perception and cleverly apt expression of those connections between ideas that awaken amusement and pleasure. Synonyms: drollery, facetiousness, waggishness, repartee.
- locally finite set — a collection of sets in a topological space in which each point of the space has a neighborhood that intersects a finite number of sets of the collection.
- lonely hearts club — a club for people who are trying to find a lover or a friend
- long-stay car park — a car park (eg at an airport) where cars can be left for a long time
- loosestrife family — the plant family Lythraceae, characterized by herbaceous plants, shrubs, and trees having usually opposite or whorled, simple leaves, clusters of flowers, and fruit in the form of a capsule, and including the crape myrtle, loosestrifes of the genus Lythrum, and the henna shrub.
- lowell observatory — the astronomical observatory, situated in Flagstaff, Arizona, at which Pluto was discovered in 1930.
- luminous intensity — the luminous flux in lumens emitted per unit solid angle by a light source, measured in candles.
- magnetocrystalline — (physics) Describing the interaction between the magnetization and the crystal structure of a material.
- maternity hospital — birthing facility
- metabolic syndrome — Pathology. a group of medical conditions present simultaneously in a patient, as high blood pressure, low HDL cholesterol levels, and an excess of abdominal fat, that increases a person's risk of heart disease, stroke, and diabetes. Also called insulin resistance syndrome.
- methylprednisolone — A synthetic glucocorticoid drug, with chemical formula C22H30O5.
- methyltestosterone — a synthetic androgenic steroid drug, C 2 0 H 3 0 O 2 , used for its anabolic properties in males in the treatment of hypogonadism and other androgen-deficiency disease states, and in females in the treatment of breast cancer.
- microcrystallinity — The condition of being microcrystalline.
- mobile data system — a system consisting of a client computer requesting information and a server supplying this information
- monophosphorylated — (biochemistry) phosphorylated with a single unit of phosphoric acid.
- muscular dystrophy — a hereditary disease characterized by gradual wasting of the muscles with replacement by scar tissue and fat, sometimes also affecting the heart.
- mutual aid society — A mutual aid society is an organization that provides benefits or other help to its members when they are affected by things such as death, sickness, disability, old age, or unemployment.
- natural philosophy — natural science.
- nebular hypothesis — the theory that the solar system evolved from a mass of nebular matter: prominent in the 19th century following its precise formulation by Laplace.
- non-responsibility — the state or fact of being responsible, answerable, or accountable for something within one's power, control, or management.
- normally aspirated — A normally aspirated or naturally aspirated engine breathes air at atmospheric pressure.
- not by a long shot — absolutely not
- offset lithography — offset (def 6).
- old curiosity shop — a novel (1840–41) by Dickens.
- organic solidarity — social cohesiveness that is based on division of labor and interdependence and is characteristic of complex, industrial societies.
- oriental cat's-eye — a chatoyant variety of chrysoberyl, used as a gem.