A ctenophore, a member of the phylum Ctenophora (the comb jellies).
A scyphozoan, a member of the class Scyphozoa (the true jellies).
A sudoku technique involving possible cell locations for a digit, or pair, or triple, in uniquely four rows and four columns only. This allows for the elimination of candidates around the grid.
objectify
objectify
verb
To make (something, such as an abstract idea) possible to be perceived by the senses.
To treat (someone) as a mere object, denying (their) dignity.
