1. The ordinal number of forty-nine in counting order
   - 49th

See also: ordinal

• double refraction
• double replacement reaction
• double reverse
• double rhyme
• double salt
• double saucepan
• double sharp
• double standard
• double standard of sexual behavior
• double star
• double stitch
• double stopping
• double take
• double talk
• double time
• double tongue
• double up
• double vision
• double-barreled
• double-barrelled
• double-bedded
• double-bitted ax
• double-bitted axe
• double-blind experiment
• double-blind procedure