1. Of a stimulus just strong enough to be consciously experienced 
2. At a threshold or transitional stage

Encyclopedia: Liminal

• decimalisation
• decimalise
• decimalization
• decimalize
• decimate
• decimation
• decimeter
• decimetre
• Decimus Junius Juvenalis
• decipher
• decipherable
• decipherably
• deciphered
• decipherer
• decipherment
• decision
• decision maker
• decision table
• decision-making
• decisive
• decisive factor
• decisively
• decisiveness
• decistere
• Decius