| Subject | English | Italian |
| astr. | effective line width | larghezza efficace della riga |
| astr. | equivalent line-width | larghezza equivalente della riga |
| IT | laser line-width | larghezza della banda del laser |
| comp., MS | line width | lunghezza riga (The length of a line of type measured from the left margin to the right margin on a piece of paper or on a computer screen. On a typewriter, line width is usually measured in terms of the number of monospace alphanumeric characters that can fit on the line; on a computer monitor or printer, line width is normally measured in inches, centimeters, points, or picas) |
| earth.sc. | line width | larghezza di righe spettrali |
| astr. | line width | larghezza di una riga |
| earth.sc. | natural line width | larghezza naturale delle righe |
| astr. | natural line-width | larghezza naturale di una riga |