Definition

1. Noun:
   • A stripe or stripes of contrasting color: A long, thin line or band of a different color or texture from its surroundings.
   • Any of a number of tiny parallel grooves: A series of minute, parallel lines, scratches, or ridges, often found in natural materials or biological tissues.

Examples of Usage

• Noun:
  • The mineral specimen had fine, white striae running across its dark surface.
  • Under the microscope, the muscle tissue revealed distinct striations.
  • The geologist studied the glacial striae on the bedrock to determine the ice flow's direction.

Advanced Usage

• "Striation": The state of being marked with striae; a pattern of striae.
  • The striation pattern on the shell is used for species identification.
• In formal/scientific contexts: Often used in the plural form "striae" to describe multiple lines or grooves.
  • The polished marble was marred by fine striae from the cutting tool.

Variants and Related Words

• Striate (verb): To mark with striae.
  • The process striates the metal surface for better adhesion.
• Striated (adjective): Marked with striae; having a striped or grooved appearance.
  • Striated muscle tissue is responsible for voluntary movement.

Synonyms

• Stripe: A long, narrow band of a different color or material.
• Streak: A long, thin line or mark of a different substance or color.
• Groove: A long, narrow cut or depression in a hard material.
• Ridge: A long, narrow elevation or raised line.

Related Phrases

(Note: "Stria" is a technical/scientific noun and does not commonly form phrasal verbs or idioms.)

Related Idioms

(Note: "Stria" is a specialized term and is not typically used in idiomatic expressions.)

Noun

1. a stripe or stripes of contrasting color
   • chromosomes exhibit characteristic bands
   • the black and yellow banding of bees and wasps
2. any of a number of tiny parallel grooves such as: the scratches left by a glacier on rocks or the streaks or ridges in muscle tissue