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missing link

missing link

1 7.8
An extinct creature thought to form a bridge between apes and early humans
  • noun
  • /ˈmɪsɪŋ lɪŋk/
  • Archaic
translation icon : eslabón perdido
  • Evidence of man's primitive ancestry, the missing link!

Examples

  • He sets up his own evolutionary missing link.

    Blog text (18)
  • There is the missing link in your logic, jnslater.

    Blog text (9)
  • That could be the missing link.

  • As one wag put it, we've finally discovered the missing link between the apes and civilized humans: it's us!

    Academic text (1991)
  • But what of that piece of the puzzle that's missing, that vacant place, that empty spot, that blank page, that hollow shell, that void in our knowledge of the evolutionary chain, that missing link!

  • Because of the small claws on the middle of the wings of their young, hoatzins were viewed by nineteenth-century anatomists as a living missing link between the ancient feathered dinosaur Archaeopteryx and modern birds.

    Academic text (1992)
  • Scientists are still searching for the missing link that connects ancient apes to modern humans.

  • The discovery of a missing link fossil would greatly enhance our understanding of human evolution.

  • Many believe that finding a missing link will help explain how humans evolved from their primate ancestors.

Synonyms

Lucy
vsmissing link
  • Specialized
110 8.4

An incomplete fossil skeleton of an early human ancestor found in Ethiopia in 1974

is a general hypothetical bridge concept, not a particular discovered skeleton
Ardipithecus
vsmissing link
  • Specialized
9 9.9

An early human ancestor known from fossils found in Africa

is a hypothetical bridge idea, not tied to specific fossil remains
ape-man
vsmissing link
  • Archaic
9.1

An early human with features between apes and people today

is a specific hypothetical bridge proposed to connect earlier primates and people
pithecanthrope
vsmissing link
  • Archaic
9.9

An extinct early human relative with ape features

is imagined as a single bridge form rather than a general fossil type
protohuman
vsmissing link
  • Specialized
9.3

A human ancestor from before modern humans

is instead a proposed single bridge linking apes and modern people
Australopithecus
vsmissing link
  • Specialized
9.9

An extinct early human ancestor from Africa that lived long ago

is a hypothetical connecting creature rather than a named fossil genus
Ouranopithecus
vsmissing link
  • Specialized
9.9

A large extinct ape that lived in Greece and Turkey

is an imagined single transitional creature, not a regional fossil group
Aegyptopithecus
vsmissing link
  • Specialized
9.9

An extinct early primate from Egypt that lived before modern apes

is instead a hypothesized connecting form rather than a documented genus
proconsul
vsmissing link
  • Specialized
9.9

An extinct early primate believed to be an ancestor of apes and humans

is a speculative single link rather than a broader ancestral genus
dryopithecine
vsmissing link
  • Specialized
9.9

An extinct ape from millions of years ago that may be an ancestor of modern apes and humans

is narrower, imagining one transitional creature instead of a whole ape group

Surface Forms

missing link singular
missing links plural

Morphology

missing + link

The phrase combines 'missing' (not present) and 'link' (a connection), so its meaning as an absent or necessary connection is directly derivable from the parts. This compositional interpretation is cross-linguistically common and thus a B1 learner who knows the constituents can reasonably infer the MWE's meaning.

Etymology

The noun missing link comes from an old image of evolution: people pictured life as a chain and looked for one animal that joined apes to humans, a link that was 'missing'. That's why it was used for a fossil thought to be the 'bridge' between apes and humans.