He is giving the lecture in a class
The acoustics in the lecture room are terrible.
Example sentence - The resident physician was on vacation during the lecture series.
I go to university I have 10 lectures each week. There is a lecture tonight about global warming and it's consequences,
To use the word "dull" in a sentence, you could say: "The lecture was so dull that I struggled to stay awake."
I was confused during the lecture because I was unfamiliar with much of the speaker's terminology.
Now and again, the attention of the students lapses during a boring lecture.
Jody loves to lecture her friends on how brilliant WikiAnswers is.
The teacher gave a lecture about the importance of agriculture.
"She felt alot of drowsiness during the lecture and almost fell asleep."
The parents tried to lecture the disobedient child, but the child did not care.
The college professor gave the class a lecture on rare lizards.
She went point-by-point in the lecture. He highlighted the formula point-by-point.