SKIP TO CONTENT

riser

Definitions of riser
  1. noun
    a person who rises (especially from bed)
    “he's usually a late riser
    see moresee less
    types:
    early bird
    a person who gets up very early in the morning
    type of:
    individual, mortal, person, somebody, someone, soul
    a human being
  2. noun
    a vertical pipe in a building
    synonyms: riser main, riser pipe, riser pipeline
    see moresee less
    type of:
    pipage, pipe, piping
    a long tube made of metal or plastic that is used to carry water or oil or gas etc.
  3. noun
    structural member consisting of the vertical part of a stair or step
    see moresee less
    type of:
    structural member
    support that is a constituent part of any structure or building
Word Family
EDITOR’S CHOICE

Test prep from the experts

Boost your test score with programs developed by Vocabulary.com’s experts.

  • Proven methods: Learn faster, remember longer with our scientific approach.
  • Personalized plan: We customize your experience to maximize your learning.
  • Strategic studying: Focus on the words that are most crucial for success.

SAT/PSAT

$29.95
  • Number of words: 500+
  • Duration: 8 weeks or less
  • Time: 1 hour / week

TOEFL

$29.95
  • Number of words: 500+
  • Duration: 10 weeks or less
  • Time: 1 hour / week

ACT

$29.95
  • Number of words: 700+
  • Duration: 10 weeks
  • Time: 1 hour / week