等比

děngbǐ
geometric (of mathematical sequences or progressions)

CEDICT

  1. (mathematics) equal ratio
  2. (mathematics, attributive) relating to geometric series; geometric
  3. equal ratio
  4. relating to geometric series; geometric

Wiktionary

数学中，级数的前后项间的比值相等。

重編國語辭典

Entry Composition

1 等 děng
  1. to wait for; to await
  2. by the time; when; till
  3. and so on; etc.; et al.
  4. (bound form) class; rank; grade
  5. (bound form) equal to; same as
  6. (used to end an enumeration)
  7. (literary) (plural suffix attached to a personal pronoun or noun)
2 比 bǐ
  1. to compare
  2. (followed by a noun and adjective) more {adj.} than {noun}
  3. ratio
  4. to gesture
  5. (Taiwan pr. bì in some compounds derived from Classical Chinese)

Containing this entry

等比数列 děngbǐshùliè geometric progression
等比级数 děngbǐjíshù geometric series (such as 1+2+4+8+...)
等比中项 děngbǐzhōngxiàng