The book used during Mass is called the Roman Missal. It contains the prayers, readings, and rituals used during the celebration of the Eucharist.
The Sacramentary
The lector reads from a book called the Lectionary which the priest also reads the gospel from. The book of prayers the priest reads from at the altar and chair is called the Roman Missal, or Sacramentary.
It is called a missal from the Latin word from which the word "mass" is derived.
a book
It's called "the mass of the cube" or "the cube's mass".
This would be called a mass extinction or mass die off.This would be called a mass extinction.
The mass of a chapter book is unpredictable. Is it hard bound or soft cover? How many pages is the book and what kind of paper is used?
Some hymnals include the readings but the Lectionary is the book used at the altar which contains the readings.
Mass of about one is completely meaningless. You need to provide units to give that number meaning. Regardless of that, I don't understand your question. Who cares what the mass of your text book is?
The mass of a chapter book is unpredictable. Is it hard bound or soft cover? How many pages is the book and what kind of paper is used?
The amount of matter in an object is called mass.
The measure of an object's mass is called mass, and the measure of its velocity is called velocity.