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 speculum speculum /ˈspɛkjʊləm/

noun

  1. A medical instrument for dilating a bodily passage or cavity in order to examine the interior  ( speculum )
    a medical instrument for dilating a bodily passage or cavity in order to examine the interior
     During her checkup, the doctor used a speculum to examine the patient's cervical health.
    During her checkup, the doctor used a speculum to examine the patient's cervical health.
  2. A mirror (especially one made of polished metal) for use in an optical instrument  ( speculum )
    a mirror (especially one made of polished metal) for use in an optical instrument
     The optometrist used a speculum to get a clearer view of the eye's interior.
    The optometrist used a speculum to get a clearer view of the eye's interior.


 Philomachus pugnax Philomachus pugnax /ˌfɪləˈmeɪkəs ˈpʊɡnæks/

noun

  1. Common Eurasian sandpiper; the male has an erectile neck ruff in breeding season  ( Philomachus pugnax , ruff )
    common Eurasian sandpiper; the male has an erectile neck ruff in breeding season


 amplifier amplifier /ˈæmplɪˌfaɪər/

noun

  1. () Electronic equipment that increases strength of signals passing through it  ( amplifier )
    electronic equipment that increases strength of signals passing through it
     The music sounded much better after we turned on the amplifier
    The music sounded much better after we turned on the amplifier


 superior ophthalmic vein superior ophthalmic vein /suːˈpiːrɪər ˌɒfθælˈmɪk veɪn/

noun

  1. A vein that begins at the inner angle of the eye socket and passes through the superior orbital fissure to empty into the cavernous sinus  ( superior ophthalmic vein )
    a vein that begins at the inner angle of the eye socket and passes through the superior orbital fissure to empty into the cavernous sinus
     The superior ophthalmic vein plays a crucial role in draining the anterior part of the eye.
    The superior ophthalmic vein plays a crucial role in draining the anterior part of the eye.