Layer

Definition

Layer can function as a noun and a verb. As a noun, it refers to a sheet, stratum, or level of material, substance, or information that lies on or under another. As a verb, it means to arrange or apply materials or elements in overlapping levels or strata.

Parts of Speech

• Noun
• Verb

Pronunciation

American English

• IPA Pronunciation: /ˈleɪ.ɚ/
• Respelling: LAY-er

British English

• IPA Pronunciation: /ˈleɪ.ə/
• Respelling: LAY-uh

Etymology

The word "layer" originates from Middle English "layere," derived from the Old English "leger," meaning "bed" or "layer." Its root is in Proto-Germanic "lagją," which means "to lie down." Over time, the term evolved to include its modern senses of levels or strata.

Derivatives

• Layered (adjective)
• Layering (noun/verb)
• Multilayer (noun)
• Overlayer (noun/verb)
• Sub-layer (noun)

Synonyms

• Stratum
• Sheet
• Tier

Antonyms

• None

Usage

The term "layer" is widely used in scientific, artistic, and everyday contexts. For example, "The cake has multiple layers of frosting and sponge." As a verb, it describes the action of arranging levels, e.g., "He layered the clothing to stay warm."

Related Terms

• Stratum: A layer of material, often used in geology.
• Overlay: To cover with a layer of material.
• Tier: A level or rank in a series.

Detailed Definitions

Noun

• A sheet or level of material: Refers to one of several overlapping or stacked levels.
  • Example: "The earth's crust has several layers of rock."
• A level in a structure or system: Indicates a division in a hierarchical arrangement.
  • Example: "The software has multiple layers of security."
• A person or object that lays something: Describes an individual or tool that arranges or applies material.
  • Example: "The hen is known as a good layer of eggs."

Verb

• To arrange in overlapping levels or strata: Refers to organizing or applying material in layers.
  • Example: "She layered the paint to create depth."
• To apply successive coatings or levels: Refers to building or adding in steps.
  • Example: "The technician layered the protective coating on the surface."