13-letter words containing a, c, i, d, r, l
- invalid chair — a chair specially designed for an invalid to sit in
- lacrimal duct — either of two small ducts extending from the inner corner of each eyelid to the lacrimal sac.
- ladder stitch — an embroidery stitch in which crossbars at equal distances are produced between two solid ridges of raised work.
- ladino clover — a giant variety of white clover, Trifolium repens lodigense, used for pasture and hay.
- lake district — a mountainous region in NW England containing many lakes: tourist center.
- landing clerk — a representative of a shipping line who boards its incoming passenger ships to give passengers information and advice.
- landing craft — any of various flat-bottomed vessels designed to move troops and equipment close to shore.
- landing force — the ground forces of an amphibious task force that effect the assault landing in an amphibious operation.
- lexical order — the arrangement of a set of items in accordance with a recursive algorithm, such as the entries in a dictionary whose order depends on their first letter unless these are the same in which case it is the second which decides, and so on
- lizard orchid — a European orchid, Himantoglossum hircinum, rare in Britain, having a spike of grey-green flowers smelling of goats
- lucid dreamer — a person who has lucid dreams, either naturally or as a result of training
- lysergic acid — a crystalline solid, C 16 H 16 N 2 O 2 , obtained from ergot or synthesized: used in the synthesis of LSD.
- macrodiagonal — the longer of two diagonals
- major medical — insurance designed to compensate for particularly large medical expenses due to a severe or prolonged illness, usually by paying a high percentage of medical bills above a certain amount.
- medical board — a group of people qualified to give opinions on medical matters
- melodramatics — Melodramatic behavior, action, or writing.
- mercer island — a city in W central Washington, on Mercer Island in Lake Washington, east of Seattle.
- mercurialized — Simple past tense and past participle of mercurialize.
- miscalibrated — Simple past tense and past participle of miscalibrate.
- mitochondrial — (cytology) Of, or relating to mitochondria.
- mixed crystal — a crystal consisting of a solid solution of two or more distinct compounds
- multibranched — Having more than one branch.
- natural child — Law. an illegitimate child; one born of illicit intercourse. (especially in Louisiana) an illegitimate child who has been lawfully acknowledged by its father.
- nitrolic acid — any of several weak acids formed when nitrous acid reacts with a nitroparaffin
- non-juridical — of or relating to the administration of justice.
- nonperiodical — a magazine or other journal that is issued at regularly recurring intervals.
- optical drive — optical disk drive
- orchid family — the plant family Orchidaceae, characterized by terrestrial or epiphytic herbaceous plants having simple, parallel-veined, usually alternate leaves, complex and often large and showy flowers pollinated primarily by insects, and fruit in the form of a capsule containing numerous minute seeds, and including calypso, fringed orchis, lady's-slipper, pogonia, rattlesnake plantain, vanilla, as well as numerous tropical orchids such as those of the genera Cattleya, Cymbidium, Dendrobium, Phalaenopsis, and Vanda.
- ordinal scale — a scale on which data is shown simply in order of magnitude since there is no standard of measurement of differences: for instance, a squash ladder is an ordinal scale since one can say only that one person is better than another, but not by how much
- orsellic acid — an acid found in lichens
- orthopaedical — Pertaining to orthopaedics; characteristic of orthopaedia.
- paper-clipped — to fasten together with one or more paper clips: Paper-clip these letters and file them.
- paradoxically — having the nature of a paradox; self-contradictory.
- parti-colored — having different colors in different areas or patches; variegated: a parti-colored dress.
- particleboard — a boardlike building material made by compressing sawdust or wood particles with a resin binder
- pedicellariae — one of the minute pincerlike structures common to starfish and sea urchins, used for cleaning and to capture tiny prey.
- periodicalist — a writer of articles for periodicals
- perissodactyl — having an uneven number of toes or digits on each foot.
- perpendicular — vertical; straight up and down; upright.
- pick-and-roll — an offensive maneuver in which a player interposes himself or herself between a teammate with the ball and a defender, then cuts quickly toward the basket for a pass from the same teammate.
- plasmodiocarp — a fruiting body of certain myxomycetes.
- playing cards — cards used in playing various games, arranged in decks of four suits (spades, hearts, diamonds, and clubs): a standard deck has 52 cards
- predicamental — of or relating to a predicament or situation
- prejudicially — causing prejudice or disadvantage; detrimental.
- quadratically — square.
- quadricipital — (anatomy) Of or pertaining to the quadriceps.
- quadrilocular — having four compartments
- quadriplegics — Plural form of quadriplegic.
- quadruplicate — one of four copies or identical items, especially copies of typewritten material.
- quadruplicity — the state or fact of being quadruple or fourfold.