муж., неодуш.; склоняется по типу 2-го склонения
В его знаниях есть пробел.
There is a gap in his knowledge.
Между словами должен быть пробел.
There should be a space between words.
blankTypography; an empty space or blank area. lacunaFormal; a missing part or gap, especially in a text or record. whitespaceComputing, typography; invisible blank characters such as spaces and tabs. 
