2. Initialism. (software publishing typography) PostScript level 3 ¹
¹ Source: wiktionary.com
Lexicographical Neighbors of PS3
PROM PROMs PRP PRRA PRRS PRRSV PRT PRUSVI PR man PS | PS/1 PS/2 PS1 PS2 PS3 (current term) PSA PSAP PSA blood test PSB PSD | PSDP PSDU PSF PSG PSHE PSI PSIG PSK PSM |