Unscramble Ipnosis

What is the meaning of word ipnosis unscrambled?

What 7 letter words can be made from letters I P N O S I S:

1. isospin - Definition of isospin

2. sinopis - Definition of sinopis

Make more words by adding or removing letters

How many 6 letter words can you make from letters I P N O S I S?

1. opsins - Definition of opsins

Which 6 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling pnosis
2) Removing the letter P and unscrambling inosis
3) Removing the letter N and unscrambling iposis
4) Removing the letter O and unscrambling ipnsis
5) Removing the letter S and unscrambling ipnois
6) Removing the letter I and unscrambling ipnoss
7) Removing the letter S and unscrambling ipnosi

More anagrams containing the letters I P N O S I S
ipnossi ipnsios sonspii ospisin