1. A day when an institution (e.g. a school) admits the general public

Derived forms: open days

• cyto-
• cytoarchitectonic
• cytoarchitectonics
• cytoarchitectural
• cytoarchitecture
• cytochrome
• cytochrome c
• cytogenesis
• cytogenetic
• cytogenetical
• cytogeneticist
• cytogenetics
• cytogeny
• cytokine
• cytokinesis
• cytokinetic
• cytokinin
• cytol
• cytologic
• cytologic smear
• cytologic specimen
• cytological
• cytologist
• cytology
• cytolysin