13-letter words containing p, a, r, i
- laser pointer — a portable laser that emits monochromatic light over a long and narrow distance, used especially as a pointing device.
- laser printer — Computers. a high-speed printer that uses a laser to form dot-matrix patterns and an electrostatic process to fuse metallic particles to paper a page at a time: capable of producing a variety of character fonts, graphics, and other symbols.
- latent period — Also, latency period. Pathology. the interval between exposure to a carcinogen, toxin, or disease-causing organism and development of a consequent disease.
- leap-frogging — a game in which players take turns in leaping over another player bent over from the waist.
- lepidopterans — Plural form of lepidopteran.
- leprechaunish — somewhat similar to a leprechaun
- letterspacing — the amount of space between each letter in a word, or the adjustment of this amount of space
- leukapheresis — a medical procedure that separates certain leukocytes from the blood, used to collect leukocytes for donation or to remove excessive leukocytes from a patient's blood
- lexicographer — a writer, editor, or compiler of a dictionary.
- lexicographic — Like a dictionary, relating to lexicography (the writing of a dictionary).
- lexigraphical — Misspelling of lexicographical.
- liberal party — a political party in Great Britain, formed about 1830 as a fusion of Whigs and Radicals and constituting one of the dominant British parties in the 19th and early part of the 20th centuries.
- liberty party — the first antislavery political party, organized in 1839 and merged with the Free Soil party in 1848.
- librarianship — a profession concerned with acquiring and organizing collections of books and related materials in libraries and servicing readers and others with these resources.
- library paste — a white, smooth paste for paper and lightweight cardboard.
- library steps — a folding stepladder, especially one folding into another piece of furniture, as a table or chair.
- light therapy — therapeutic exposure to full-spectrum artificial light that simulates sunlight, used to treat various conditions, as seasonal affective disorder.
- linkage group — a group of genes in a chromosome that tends to be inherited as a unit.
- lipid bilayer — a two-layered arrangement of phosphate and lipid molecules that form a cell membrane, the hydrophobic lipid ends facing inward and the hydrophilic phosphate ends facing outward.
- lipogrammatic — of or relating to a lipogram
- lithographing — Present participle of lithograph.
- louis pasteur — Louis [loo-ee;; French lwee] /ˈlu i;; French lwi/ (Show IPA), 1822–95, French chemist and bacteriologist.
- lunar eclipse — Astronomy. the obscuration of the light of the moon by the intervention of the earth between it and the sun (lunar eclipse) or the obscuration of the light of the sun by the intervention of the moon between it and a point on the earth (solar eclipse) a similar phenomenon with respect to any other planet and either its satellite or the sun. the partial or complete interception of the light of one component of a binary star by the other.
- lymphographic — of or relating to lymphography
- macrocephalic — Cephalometry. being or having a head with a large cranial capacity.
- macroparasite — (biology) Any parasite that is visible to the naked eye.
- macropinacoid — a crystalline pinacoid which runs parallel to the longer horizontal axis
- macroscopical — Macroscopic.
- madeira topaz — citrine (def 2).
- mahabalipuram — a village in NE Tamil Nadu, in SE India: Hindu temples; early Dravidian architecture.
- mail exploder — (messaging) Part of an electronic mail delivery system which allows a message to be delivered to a list of addresses. Mail exploders are used to implement mailing lists. Users send messages to a single address and the mail exploder takes care of delivery to the individual mailboxes in the list.
- mainz psalter — a book printed by Johannes Gutenberg: thought by some to be the first book printed from movable type.
- major premise — Logic. an argument the conclusion of which is supported by two premises, of which one (major premise) contains the term (major term) that is the predicate of the conclusion, and the other (minor premise) contains the term (minor term) that is the subject of the conclusion; common to both premises is a term (middle term) that is excluded from the conclusion. A typical form is “All A is C; all B is A; therefore all B is C.”.
- malabsorption — faulty absorption of nutritive material from the intestine.
- malapropistic — an act or habit of misusing words ridiculously, especially by the confusion of words that are similar in sound.
- mantis shrimp — any stomatopod crustacean having a pair of appendages modified for grasping prey and resembling those of a mantis.
- mariposa lily — any lily of the genus Calochortus, of the western U.S. and Mexico, having tuliplike flowers of various colors.
- maritime alps — a range of the W Alps in SE France and NW Italy. Highest peak: Argentera, 3297 m (10 817 ft)
- maritime pine — cluster pine.
- marlinespikes — Plural form of marlinespike.
- married print — composite print.
- master policy — a single policy covering a group of people, typically employees of a company, issued to an employer.
- mastigophoran — Also, mastigophore [mas-ti-guh-fawr, -fohr] /ˈmæs tɪ gəˌfɔr, -ˌfoʊr/ (Show IPA). a protozoan of the phylum Mastigophora.
- mastigophoric — Carrying or wielding a whip.
- maternity pay — the pay a woman receives from her work during her absence immediately before and after childbirth
- matripotestal — of or relating to the authority exercised by a mother or a mother's blood relatives.
- matthew paris — Matthew, Matthew of Paris.
- mean-spirited — petty; small-minded; ungenerous: a meanspirited man, unwilling to forgive.
- measuring cup — a graduated cup used especially in cooking for measuring ingredients.
- megasporangia — a sporangium containing megaspores.