Definition, Meaning & Anagrams | English word STRIATION

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Definitions of STRIATION

1. The action of marking with a stria.
2. The result of being marked with a stria.
3. (countable, mineralogy) One of a number of parallel grooves and ridges in a rock or rocky deposit, formed by repeated twinning or cleaving of crystals.
4. (countable, geomorphology) One of a number of parallel scratch lines in rock outcrops, formed when glaciers dragged rocks across the landscape.
5. (roofing) a parallel series of small grooves, channels, or impressions typically within a metal roof panel used to help reduce the potential for oil-canning.

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Examples of Using STRIATION in a Sentence

• Glacial striation and the presence of chalk and flint erratics that originated from the bed of the North Sea demonstrate the influence of ice action on the geomorphology of the islands.
• The eight subspecies are divisible into five groups by their physical traits, characterised by the prominent colour of their mantle, back, scapulars, underbody and degree of striation throughout their plumage.
• It has also been observed that CapZ functions to organize myofilaments during myofibrillogenesis and is present at Z-discs in muscle prior to the striation of actin filaments, suggesting that CapZ may function to direct the polarity and organization of sarcomeric actin during I-band formation.
• Terminal papillae consisting of two somewhat weakly sclerotized plates forming a band; receptaculum seminis more or less short and stout, the second half like a sac, with typical striation; vestibulum a large sac, without any special characters.
• The shell is somewhat subquadrately oval, thin, diaphanous, close, finely striate concentrically, whitish horny, or slightly tinted with fuscous patches near the umbones, and covered with numerous granular points, which are finer and more crowded on the umbones, where the concentric striation is less evident.
• Usually they show a puncturation of the pronotum and an evident striation of the elytra, but the species is quite variable, especially in the length and in degree of convexity of the prothorax.
• This differs from Acteon delicatus by its stumpier form, coarser and ruder subcancellate striation, more prominent fold on the columella and particularly by its protoconch which, though small, is swollen and set on the peek of a very acute spire like a swollen terminal bud on a twig.
• This striation becomes more pronounced in the post-embryonic whorls, creating a fine, irregularly developed crenulation along the suture, which then smooths out on the lower whorls.
• The region from the beginning of the teleoconch to the beginning of the differently ribbed region where the sutural tube lies, consists of fine, dense, rather regular ribs with weak spiral striation; the next region of the shell extending to the constriction is long, with dense, lamellae-like, elevated ribs, which are most elevated closer to the suture.

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