Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of basal is as below...

Zeolite :: Zeolite (n.) A term now used to designate any one of a family of minerals, hydrous silicates of alumina, with lime, soda, potash, or rarely baryta. Here are included natrolite, stilbite, analcime, chabazite, thomsonite, heulandite, and others. These species occur of secondary origin in the cavities of amygdaloid, basalt, and lava, also, less frequently, in granite and gneiss. So called because many of these species intumesce before the blowpipe..

Basaltic :: Basaltic (a.) Pertaining to basalt; formed of, or containing, basalt; as basaltic lava..

Mesopterygium :: Mesopterygium (n.) The middle one of the three principal basal cartilages in the fins of fishes.

Barrel :: Barrel (n.) The hollow basal part of a feather.

Stalk :: Stalk (n.) The narrow basal portion of the abdomen of a hymenopterous insect.

Basipodite :: Basipodite (n.) The basal joint of the legs of Crustacea.

Amygdaloid :: Amygdaloid (n.) A variety of trap or basaltic rock, containing small cavities, occupied, wholly or in part, by nodules or geodes of different minerals, esp. agates, quartz, calcite, and the zeolites. When the imbedded minerals are detached or removed by decomposition, it is porous, like lava..

Cronstedtite :: Cronstedtite (n.) A mineral consisting principally of silicate of iron, and crystallizing in hexagonal prisms with perfect basal cleavage; -- so named from the Swedish mineralogist Cronstedt..

Hastated :: Hastated (n.) Shaped like the head of a halberd; triangular, with the basal angles or lobes spreading; as, a hastate leaf..

Basic :: Basic (a.) Said of crystalline rocks which contain a relatively low percentage of silica, as basalt..

Melaphyre :: Melaphyre (n.) Any one of several dark-colored augitic, eruptive rocks allied to basalt..

Trap :: Trap (n.) An old term rather loosely used to designate various dark-colored, heavy igneous rocks, including especially the feldspathic-augitic rocks, basalt, dolerite, amygdaloid, etc., but including also some kinds of diorite. Called also trap rock..

Protopodite :: Protopodite (n.) The basal portion, or two proximal and more or less consolidated segments, of an appendage of a crustacean..

Sagittate :: Sagittate (a.) Shaped like an arrowhead; triangular, with the two basal angles prolonged downward..

Basaltiform :: Basaltiform (a.) In the form of basalt; columnar.

Basal :: Basal (a.) Relating to, or forming, the base..

Tertiary :: Tertiary (n.) One of the quill feathers which are borne upon the basal joint of the wing of a bird. See Illust. of Bird.

Melilite :: Melilite (n.) A mineral occurring in small yellow crystals, found in the lavas (melilite basalt) of Vesuvius, and elsewhere..

Scape :: Scape (n.) The long basal joint of the antennae of an insect.

Metapterygium :: Metapterygium (n.) The posterior of the three principal basal cartilages in the fins of fishes.

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