spo·ro·pol·len·in 
(spôr′ə-pŏlə-nĭn)
(spôr′ə-pŏlə-nĭn)n.
A decay-resistant complex biopolymer that constitutes the outer wall of spores and pollen grains.
- Indo-European root: kwrep-
- Indo-European root: kwr̥mi-
- Indo-European root: kwēt-
- Indo-European root: kā-
- Indo-European root: kō-
- Indo-European root: laks-
- Indo-European root: las-
- Indo-European root: lau-
- Indo-European root: leb-
- Indo-European root: leg-
- Indo-European root: legh-
- Indo-European root: legwh-
- Indo-European root: lei-
- Indo-European root: leid-
- Indo-European root: leig-
- Indo-European root: leigh-
- Indo-European root: leikw-
- Indo-European root: leip-
- Indo-European root: leis-
- Indo-European root: leis-
- Indo-European root: leit-
- Indo-European root: lendh-
- Indo-European root: leu-
- Indo-European root: leubh-
- Indo-European root: leudh-