内插

內插
nèichā
  1. to install (hardware) internally (rather than plugging it in as a peripheral)
  2. (math.) to interpolate
  3. interpolation

CEDICT

math

Entry Composition

1 内 nèi
  1. inside
  2. inner
  3. internal
  4. within
  5. interior
=2 插 chā
  1. to insert
  2. stick in
  3. pierce
  4. to take part in
  5. to interfere
  6. to interpose
=2 插 chā old variant of 插 chā