碘酞酸：碘酞酸盐的游离酸，用以制备某些造影剂基质- spectrograph
- spectrometer
- spectrometry
- spectrophotofluorometer
- spectrophotometer
- spectrophotometry
- spectropolarimeter
- spectropyrheliometer
- spectroscope
- spectroscopic
- spectroscopy
- spectrum
- speculum
- speech
- Spemann
- Spemann's induction
- Spengler's fragments,immune body,tuberculin
- Spens' syndrome
- sperm
- sperma
- spermaceti
- spermacrasia
- spermagglutination
- spermalist
- spermase