lecturing lecturing /ˈlɛktʃɝɪŋ/

noun

1. () Teaching by giving a discourse on some subject (typically to a class)  ( lecture , lecturing )
   teaching by giving a discourse on some subject (typically to a class)
    The professor was well-known for his engaging style of lecturing.
   The professor was well-known for his engaging style of lecturing.
   
   

 symmetricalness symmetricalness /sɪˈmɛtrɪkəlnəs/

noun

1. (mathematics) an attribute of a shape or relation; exact reflection of form on opposite sides of a dividing line or plane  ( balance , correspondence , symmetricalness , symmetry )
   (mathematics) an attribute of a shape or relation; exact reflection of form on opposite sides of a dividing line or plane
     The artwork showcased perfect symmetry in its design.
   The artwork showcased perfect symmetry in its design.
   
   

 prompter prompter /ˈprɑːmptər/

noun

1. A device that displays words for people to read  ( autocue [British] , prompter )
   a device that displays words for people to read
    The news anchor was reading from the autocue during the live broadcast
   The news anchor was reading from the autocue during the live broadcast
   
   
2. Someone who assists a performer by providing the next words of a forgotten speech  ( prompter , theater prompter [American] , theatre prompter )
   someone who assists a performer by providing the next words of a forgotten speech
   
   

 backlog backlog /ˈbæˌklɔg/

noun

1. () An accumulation of jobs not done or materials not processed that are yet to be dealt with (especially unfilled customer orders for products or services)  ( backlog )
   an accumulation of jobs not done or materials not processed that are yet to be dealt with (especially unfilled customer orders for products or services)
   
2. Something kept back or saved for future use or a special purpose  ( backlog , stockpile , reserve )
   something kept back or saved for future use or a special purpose
   
   
3. The large log at the back of a hearth fire  ( backlog )
   the large log at the back of a hearth fire
   

verb

1. Accumulate and create a backlog  ( backlog )
   accumulate and create a backlog