1. Being always present

See also: present

• double negative
• double obelisk
• double over
• double play
• double pneumonia
• double quotes
• double reed
• 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