INITIAL

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INITIAL, also initial letter, point.
1. The first LETTER of a WORD, usually capitalized in a proper NAME: the L of London, the G, B, S of George Bernard Shaw. The practice of using initials or POINTS in handwriting and print has encouraged the growth of such ABBREVIATIONS as symbols, formulas, INITIALISMS, and ACRONYMS: for example, a stands, among others, for acre and are (units of land measurement); e.g. stands for LATIN exempli gratia for the sake of an example; BBC for British Broadcasting Corporation; NATO for North Atlantic Treaty Organization.

2. The large ornamental letter at the start of a page or chapter, especially in an illuminated manuscript.

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in·i·tial / iˈnishəl/ • adj. existing or occurring at the beginning: our initial impression was favorable. ∎  (of a letter) at the beginning of a word. • n. (usu. initials) the first letter of a name or word, typically a person's name or a word forming part of a phrase: they carved their initials into the tree trunk. • v. (-tialed , -tial·ing ; Brit. -tialled, -tial·ling) [tr.] mark or sign (a document) with one's initials, esp. in order to authorize or validate it. ∎  agree to or ratify (a treaty or contract) by signing it.

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initialcircumstantial, financial, substantial •court-martial, impartial, marshal, martial, partial •especial, special •cadential, confidential, consequential, credential, deferential, differential, essential, evidential, existential, experiential, exponential, influential, intelligential, irreverential, jurisprudential, penitential, pestilential, potential, preferential, presidential, providential, prudential, quintessential, referential, residential, reverential, sapiential, sciential, sentential, sequential, tangential, torrential •abbatial, facial, fascial, glacial, interracial, multiracial, palatial, primatial, racial, spatial •artificial, beneficial, initial, interstitial, judicial, official, sacrificial, solstitial, superficial •provincial • seneschal • equinoctial •asocial, precocial, psychosocial, social •crucial, fiducial •bushel •antenuptial, nuptial •commercial, controversial, Herschel, inertial, infomercial

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initial pert. to a or the beginning. XVI. — L. initiālis, f. initium beginning, f. init-, pp. stem of inīre enter upon, begin, f. IN-1 + īre go, rel. to Skr. éti, Gr. eīmi; see -AL1.
So initiate XVII. initiation XV. — L. initiative sb. XVIII. — F. initiatory XVII.

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initial A meristem cell that is actively dividing. Each division yields 1 differentiated cell which joins the main body of specialized plant tissue and 1 cell that retains its meristematic (see MERISTEM) qualities and is, therefore, available to be the initial for a further division.

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initial One of a group of cells (or, in lower plants, a single cell) that divides to produce the cells of a plant tissue or organ. The cells of the apical meristem, cambium, and cork cambium are initials.

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