spacebar(A long key occupying much of the bottom row of most keyboards that sends a space character to the computer); space character(A character that is entered by pressing the SPACEBAR on the keyboard and that typically appears on the screen as a blank space); white space(" Any characters that can be found between words – this includes space (" "), newline (carriage return in combination with line feed), and the tab character."; Any characters that can be found between words - this includes space (" "), newline (carriage return in combination with line feed), and the tab character); white-space character(" Any characters that can be found between words – this includes space (" "), newline (carriage return in combination with line feed), and the tab character."; Any characters that can be found between words - this includes space (" "), newline (carriage return in combination with line feed), and the tab character); blank(The character entered by pressing the spacebar)
wikipedia.org); gapped (о белковой или нуклеотидной последовательности)