[1] : WordNet (r) 2.0

first light
     n : the first light of day; "we got up before dawn"; "they
         talked until morning" syn: dawn, dawning, morning,
          aurora, daybreak, break of day, break of the day,
          dayspring, sunrise, sunup, cockcrow ant: sunset
see also:
dawn dawning morning aurora daybreak break of day 
break of the day dayspring sunrise sunup cockcrow 
sunset 

Electric Light >> E Words
Electric Light, definition of term: Electric Light
electric+light_pag1.html

Drummond Light >> D Words
Drummond Light, definition of term: Drummond Light
drummond+light_pag1.html

Calcium Light >> C Words
Calcium Light, definition of term: Calcium Light
calcium+light_pag1.html

At First >> A Words
At First, definition of term: At First
at+first_pag1.html

Arc Light >> A Words
Arc Light, definition of term: Arc Light
arc+light_pag1.html

Come To Light >> C Words
Come To Light, definition of term: Come To Light
come+to+light_pag1.html