Monoline

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A company operating in only one industry or line of business; often specifically a bank specializing in credit card issuance.

    "The other leading monolines in 2002 were Capital One and Providian."

  2. 2
    An insurer specialized in insuring investment-grade securities against loss.

    "The premium charged by the monoline is not for funding expected losses, as with insurance, but for enhancing an investment-grade security to a AAA level."

  3. 3
    A font line of consistent width, as occurs when imitating pencil script.

    "[…] monolines appear everywhere in the art of the Western letter, and have shaped the alphabet's development as much as the edged line of the broad pen."

  4. 4
    A length of monofilament line, used for culturing forms of seaweed.

    "A module consists of 21 monolines; a monoline on the other hand is 20 feet (6 m) long and consists of a nylon line plus 3 stakes— 2 at both ends and one at the middle— and 30 plants."

  5. 5
    A type of composing machine in which each line of type is cast as a single slug. dated

    "With the straight matter being set on the linotype or monoline, the hand compositor was left with what he claimed was the most 'skilled' part of his old work."

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  1. 6
    A single spectrum line.

    "The spectrum of the MS sample also includes the central broad singlet of the nitrous austenite, which is simulated as the superposition of a monoline and a doublet."

Example

More examples

"The other leading monolines in 2002 were Capital One and Providian."

Etymology

From mono- + line.

Related phrases

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.