13-letter words containing a, d, e, l
- almond-shaped — oval
- alpha eridani — Achernar
- alphabet code — a list of easily distinguishable words, each representing a letter of the alphabet, used in radio and telephonic communications.
- alpine garden — a rock garden.
- alpine tundra — a tundra that is treeless because of high elevation rather than high latitude.
- altered chord — a chord in which one or more notes are chromatically changed by the introduction of accidentals
- altitude dial — an adjustable sundial utilizing the altitude of the sun, at a given latitude and time of year, as a means of telling the time.
- amundsen gulf — a gulf in the Beaufort Sea in the Canadian Northwest Territories.
- amygdalaceous — similar to or derived from the almond
- analogy model — (programming) A method of estimating the cost of a proposed software project by extrapolating from the costs and schedules of similar completed projects.
- andersonville — town in SW central Ga.: site of a Confederate prison in the Civil War
- anecdotically — in an anecdotical manner
- angle grinder — a handheld power tool with a rotating abrasive disc, used for cutting, grinding and polishing
- angle of lead — the phase difference, expressed in degrees, by which one sinusoidal function is moving ahead of a second having the same period, as alternating voltage moving ahead of the alternating current.
- animal warden — dogcatcher.
- anti-idealism — the cherishing or pursuit of high or noble principles, purposes, goals, etc.
- anti-idealist — a person who cherishes or pursues high or noble principles, purposes, goals, etc. Synonyms: optimist, perfectionist, reformer, visionary, utopianist. Antonyms: pragmatist, skeptic, cynic.
- anticipatedly — In an anticipated manner; in advance.
- antidiarrheal — An antidiarrheal is a substance used to prevent or treat diarrhea.
- aperiodically — In an aperiodic way.
- appendiculate — having appendicles
- apple orchard — an orchard planted with apple trees
- apple-cheeked — having rosy cheeks; ruddy
- apple-pie bed — a way of making a bed so as to prevent the person from entering it
- apprehendable — That can be apprehended.
- approval code — An approval code is a PIN or other verification code needed to authorize a payment going through the cash register.
- arm and a leg — the upper limb of the human body, especially the part extending from the shoulder to the wrist.
- armored cable — an electric cable having a metal protective covering
- armored scale — any of a family (Diaspididae) of scale insects characterized by a hard, waxy secretion that covers the body: many armored scales are serious pests of trees and shrubs
- armour-plated — An armour-plated vehicle or building has a hard metal covering in order to protect it from gunfire and other missiles.
- assembly code — assembly language
- asteroid belt — the concentrations of asteroids that move around the sun mainly between the orbits of Mars and Jupiter
- at loose ends — in an unsettled, disorganized, or confused condition
- at the double — at twice normal marching speed
- at the fiddle — engaged in an illegal or fraudulent undertaking
- ayurvedically — As a practitioner of Ayurveda; in an Ayurvedic way.
- baal merodach — Marduk.
- bab el mandeb — a strait between SW Arabia and E Africa, connecting the Red Sea with the Gulf of Aden
- back-end load — the final charges of commission and expenses made by an investment trust, insurance policy, etc, when the investor is paid out
- backpedalling — to retard the forward motion by pressing backward on the pedal, especially of a bicycle with coaster brakes.
- bacteriocidal — Alternative spelling of bactericidal.
- bailey bridge — a temporary bridge made of prefabricated steel panels that can be rapidly assembled
- baily's beads — the brilliant points of sunlight that appear briefly around the moon, just before and after a total eclipse
- balanced diet — a diet consisting of the proper quantities and proportions of foods needed to maintain health or growth.
- balanced fund — a mutual fund made up of both stocks and bonds
- balanced line — a transmission line in which the oppositely directed components are symmetrical with respect to each other and to the ground.
- balanced step — any of a series of staircase winders so planned that they are nearly as wide at the inside of the stair as the adjacent fliers.
- balanced tree — (algorithm) An optimisation of a tree which aims to keep equal numbers of items on each subtree of each node so as to minimise the maximum path from the root to any leaf node. As items are inserted and deleted, the tree is restructured to keep the nodes balanced and the search paths uniform. Such an algorithm is appropriate where the overheads of the reorganisation on update are outweighed by the benefits of faster search. A B-tree is a kind of balanced tree that can have more than two subtrees at each node (i.e. one that is not restricted to being a binary tree).
- ballet dancer — a man or woman who takes part in ballet dancing, usually professionally
- balloon shade — a window shade that when raised is gathered into a series of puffy festoons created by inverted pleats in the fabric.