The word is in the Wiktionary

3 short excerpts of Wiktionnary (A collaborative project to produce a free-content dictionary.)

— English words —

• protoplanetary adj. (Astronomy, planets) Of or pertaining to a protoplanet.
• protoplanetary adj. Relating to a stage in the life of a red giant star or its protoplanetary nebula during the star’s final…
• proto-planetary adj. Alternative form of protoplanetary.

22 English words from 3 English definitions

Alternative Astronomy during final form giant giant␣star its life nebula of␣a pertaining planets protoplanet protoplanetary protoplanetary␣nebula red red␣giant Relating stage star the

6 suffixes (New words found by adding one or more letters at the end of the word.)

protoplanetary␣disc protoplanetary␣disk protoplanetary␣discs protoplanetary␣nebula protoplanetary␣nebulae protoplanetary␣nebulas

55 words-in-word (Words found as is inside the word. Minimum size 3 letters.)

ANE -ane anet Aneta ary Ary -ary eta ETA Lan LAN Lan. lane Lane net Net NET .NET neta oplan oto Oto OTO oto- Pla PLA plan PLAN plane 'plane planet planetary pro Pro PRO pro- Pro. -pro- Prot prot- Prot. proto Proto proto- protoplanet rot ROT roto roto- tar Tar TAR top Top to␣plan

28 words-in-word RTL (Words found written from right to left, inside the word. Minimum size 3 letters.)

alp ALP ate Até Atë -ate Aten enal LPO nal- orp oto Oto OTO oto- pot rat Rat RAT 'rat rate ten TEN Tena tor Tor TOR torp

Recommended websites

• Visit 1Word.ws - the word is a valid scrabble word (21 points).
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