1. Cannot be removed or erased
   - indelible

See also: ineradicable

• adiabatic
• adiabatic process
• Adiantaceae
• Adiantum
• Adiantum bellum
• Adiantum capillus-veneris
• Adiantum pedatum
• Adiantum tenerum
• Adiantum tenerum farleyense
• adiaphorous
• adience
• adient
• adieu
• Adige
• adios
• adipic
• adipic acid
• adipocere
• adipose
• adipose cell
• adipose tissue
• adipose tumor
• adipose tumour
• adiposeness
• adiposis