Cline

/klaɪn/ name, noun

name, noun ·Rare ·Advanced level

Meaning at a glance

  • Primary sense: A gradation in a character or phenotype within a species, deme, or other systematic group.
  • Grammar: cline is listed as name, noun.
  • Nearest alternatives: continuum, gradational variation, gradient, gradual spectrum.
  • Useful contrasts: binary split, discontinuity, step change.
  • Usage evidence: There is a gradual cline of decreasing size to the northward.

How to use "cline"

  1. Start with the primary definition, then check the part of speech before placing the word in a sentence.
  2. Compare nearby synonyms to make sure "cline" carries the exact meaning, tone, and strength you need.
  3. Use the example sentence as a context check. If your sentence uses the word differently, confirm that the grammar still fits.

Meaning check

  • Does the word fit the sentence's grammar?
  • Does it match the intended tone rather than only the dictionary definition?
  • Would a simpler synonym be clearer for the reader?
  • Is there enough surrounding context to prevent ambiguity?

Source and review context

This entry combines structured lexical data with WordToolSet review checks. Definitions, examples, synonyms, and usage notes may come from different source tables, so the page is designed to show evidence from more than one angle before you rely on "cline" in a final draft.

If a word has several senses, prefer the sense that matches your sentence's grammar and surrounding context. A correct definition can still be the wrong choice when the sentence needs a different register, emphasis, or level of specificity.

Before you rely on this definition

Read the first definition as a starting point, then check the example, synonyms, and part of speech before treating "cline" as the right word for your sentence.

If your draft is formal, technical, persuasive, or sensitive, compare "cline" with a nearby alternative so the final choice matches both meaning and reader expectation.

Compare nearby meanings

  • Use synonyms when you need a softer, stronger, simpler, or more specific word.
  • Use antonyms to check the boundary of the meaning and avoid accidental contrast.
  • Use the example sentence to confirm the word behaves naturally in context.
  • Keep the original wording when a replacement adds complexity without improving precision.

Definition decision workflow

1. Identify the role

Check whether "cline" is acting as name, noun in your sentence. A definition is only useful when the grammar matches the way the word is being used.

2. Test the nearest option

Compare it with "continuum" and other nearby choices to see whether the sentence needs a softer, stronger, or more familiar word.

3. Confirm with context

Use the example sentence below as an evidence check, then read your own sentence out loud to catch tone or rhythm problems.

Review note: Definition pages are checked for source coverage, sentence evidence, synonym support, and editorial insight before they are treated as approval-ready pages. If the evidence is too thin, the page remains available to users but is kept out of the approval-facing indexed inventory.

Final meaning check

Before publishing a sentence with "cline", ask whether the word helps the reader understand the idea faster. A precise word should reduce confusion, not simply make the sentence look more polished.

When the definition, synonym evidence, and example context point in the same direction, the word is usually a safer choice. When they conflict, revise the sentence or choose a clearer alternative.

Definitions

Noun
  1. 1
    A gradation in a character or phenotype within a species, deme, or other systematic group.

    "2000 Michael J. O'Brien and R. Lee Lyman: Applying Evolutionary Archaeology →ISBN [A cline is a] character gradient, wherein a character such as length increases or decreases gradually and continuously. A cline distributed over geographic space is a "chorocline"; a cline distributed over time is a "chronocline." Compare with chorospecies and chronospecies. . . Simpson termed the change through time a "chronocline", where a cline represents a character gradient. A chunk of a chronocline comprises a chronospecies. The difficulty with identifying a chronospecies resides, then, in first identifying a chronocline, or temporal gradient in a character or attribute. As pointed out by Kevin Padian, some characters "change more or less uniformly through time, but others change not at all, and still others vacillate with no clear trend. This is ... one reason to be suspicious of the evolutionary utility of clines: no criterion for identifying a cline seems to be in force. A cline is simply a gradient in character state along a continuum, and it may be broken, temporarily reversed, or stepped. Furthermore, there is no criterion for a cline's magnitude and no control on its probability.""

  2. 2
    A generalized circle.

    "Let C₁ and C₂ be two nonintersecting clines. Prove that there is a unique pair of points that are simultaneously symmetric to both C₁ and C₂."

  3. 3
    Any graduated continuum.

    "2004 Language typology: a functional perspective →ISBN The cline of instantiation is a dimension that organizes systems of all kinds — physical systems like that of meteorology, biological systems, social systems and semiotic systems. In the realm of semiotic systems, text lies at the instance end of the cline. Text is "semiotic weather"; but what about the "semiotic climate", weather patterns and subclimates? There are in fact clear semiotic analogies. The "semiotic climate" is the overall linguistic system; it is the meaning potential of a language. Thus a text instantiates the linguistic system; and the linguistic system "potentializes" innumerable texts."

Proper Noun
  1. 1
    A surname.

Synonyms

All synonyms
continuumgradational variationgradientgradual spectrumgradual variation

Antonyms

binary splitdiscontinuitystep change

Example

"There is a gradual cline of decreasing size to the northward."

Common questions

What does "cline" mean?

A gradation in a character or phenotype within a species, deme, or other systematic group.

What is a synonym for "cline"?

Common synonyms include: continuum, gradational variation, gradient, gradual spectrum, gradual variation.

How do you use "cline" in a sentence?

There is a gradual cline of decreasing size to the northward.

How do you pronounce "cline"?

Pronounced /klaɪn/.

Etymology

Etymology 1

From Ancient Greek κλῑ́νω (klī́nō, “to lean, incline”). Introduced by English evolutionary biologist and eugenicist Julian Huxley in 1938 after British mycologist John Ramsbottom suggested the term.

Etymology 2

From c(ircle) + line; compare circline.

More for "cline"