What is the definition of a indenting agent?

a chemical which is used to make indents:

indent 1

verb |inˈdent| [ trans. ]

1 start (a line of text) or position (a block of text, table, etc.) further from the margin than the main part of the text.

2 (usu. be indented) form deep recesses in (a line or surface) : a coastline indented by many fjords.

• make toothlike notches in : it has rounded leaves indented at the tip.

3 [ intrans. ] Brit. make a requisition or written order for something.

4 historical divide (a document drawn up in duplicate) into its two copies with a zigzag line, thus ensuring identification.

• draw up (a legal document) in exact duplicate.

noun |inˈdent; ˈinˌdent| |ənˈdɛnt| |ˈɪnˈdɛnt| |ˈɪndɛnt|

1 a space left by indenting a line or block of text.

2 an indentation : every indent in the coastline.

3 Brit. an official order or requisition for specified goods or stores.

4 an indenture.

DERIVATIVES

indentor |-tər| |1nˈdɛn(t)ər| noun

ORIGIN late Middle English (as a verb in the sense [give a zigzag outline to, divide by a zigzag line] ): from Anglo-Norman French endenter or medieval Latin indentare, from en-, in- 'into' + Latin dens, dent- 'tooth.'

indent 2 |1nˈdɛnt| |ɪnˈdɛnt|

verb [ trans. ]

make a dent or depression in (something) : his chin was firm and slightly indented.

• impress (a mark) on something.