SE

Multiple Entries:
  SE    Se    se-    selenium  

Concise Oxford English Dictionary © 2008 Oxford University Press:
SE

▶abbreviation

• 1 south-east.

• 2 south-eastern.

Concise Oxford English Dictionary © 2008 Oxford University Press:
Se

▶symbol the chemical element selenium.

Concise Oxford English Dictionary © 2008 Oxford University Press:
se-/sə/

▶prefix in words adopted from Latin originally meaning ‘apart’ (as in separate) or meaning ‘without’ (as in secure).

– origin from L. se-, from the earlier preposition and adverb se.

Concise Oxford English Dictionary © 2008 Oxford University Press:
selenium /sɪˈliːnɪəm/

▶noun the chemical element of atomic number 34, a grey crystalline non-metal with semiconducting properties. (Symbol: Se)

– origin C19: mod. L., from Gk selēnē ‘moon’.