18-letter words containing s, i, l, y
- lipopolysaccharide — any of a class of polysaccharides to which lipids are attached.
- literary criticism — study and review of literature
- 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.
- locked-in syndrome — a condition in which a person is conscious but unable to move any part of the body except the eyes: results from damage to the brainstem
- logically possible — capable of being described without self-contradiction
- 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.
- 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.
- methacrylate resin — an acrylic resin formed by polymerizing the esters or amides of methacrylic acid.
- methylated spirits — ethyl alcohol denatured with methyl alcohol for the purpose of preventing its use as an alcoholic beverage.
- methylprednisolone — A synthetic glucocorticoid drug, with chemical formula C22H30O5.
- microcrystallinity — The condition of being microcrystalline.
- minimally invasive — (of medical treatments or procedures) requiring only a small incision or the insertion of an instrument into a body cavity; involving minimal damage of body tissue: minimally invasive endoscopy.
- mobile data system — a system consisting of a client computer requesting information and a server supplying this information
- mucopolysaccharide — (formerly) glycosaminoglycan.
- 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.
- mutually exclusive — of or relating to a situation involving two or more events, possibilities, etc., in which the occurrence of one precludes the occurrence of the other: mutually exclusive plans of action.
- mutually recursive — recursion
- my lips are sealed — If you tell someone that your lips are sealed, you are promising them that you will keep a secret that they have told you.
- 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.
- needlestick injury — an injury that is caused by accidentally pricking the skin with a hypodermic needle
- neurophysiological — the branch of physiology dealing with the functions of the nervous system.
- neuropsychological — Of or pertaining to neuropsychology, the relation or combination of brain and mind.
- 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.
- numerical analysis — the branch of mathematics dealing with methods for obtaining approximate numerical solutions of mathematical problems.
- nursery facilities — places where young children are looked after
- offset lithography — offset (def 6).
- old curiosity shop — a novel (1840–41) by Dickens.
- on everyone's lips — being much discussed
- 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.
- oscillographically — By means of oscillography.
- parathyroid glands — any of several small oval glands usually lying near or embedded in the thyroid gland.
- passive vocabulary — all the words, collectively, that a person can understand
- payload specialist — an astronaut trained to handle highly complex or classified equipment carried aboard a space shuttle and to conduct experiments in space.
- pellitory of spain — a small Mediterranean plant, Anacyclus pyrethrum, the root of which contains an oil formerly used to relieve toothache: family Asteraceae (composites)
- pennsylvania dutch — the descendants of 17th- and 18th-century settlers in Pennsylvania from southwest Germany and Switzerland.
- perennial ryegrass — any of several European grasses of the genus Lolium, as L. perenne (perennial ryegrass) grown for forage in the U.S.
- persistent cruelty — conduct causing fear of danger to the life or health of a spouse (used in matrimonial proceedings before magistrates)
- phanerocrystalline — (of a rock) having the principal constituents in the form of crystals visible to the naked eye.
- phantasmagorically — having a fantastic or deceptive appearance, as something in a dream or created by the imagination.
- philosophy of life — any philosophical view or vision of the nature or purpose of life or of the way that life should be lived.
- phosphatidylserine — any of a class of phospholipids occurring in biological membranes and fats
- physical chemistry — the branch of chemistry dealing with the relations between the physical properties of substances and their chemical composition and transformations.
- physical education — systematic instruction in sports, exercises, and hygiene given as part of a school or college program.