Decide whether the term needs attention now
Textbooks often introduce several unfamiliar terms in a short space. Stopping to look up every one can break your concentration, but ignoring them all can leave you lost. When you meet a new term, first ask what work it is doing in the passage. Is it central to the chapter’s main idea, or is it part of a brief example? Does the author define it nearby? Can you follow the argument without knowing its exact meaning?
If the term seems minor, mark it lightly and keep reading to the end of the paragraph. A later sentence, diagram or example may make it clear. If the term appears repeatedly, sits in a heading, or seems necessary to understand the next step, pause and investigate. This gives you a useful rule: look up words because they block understanding, not simply because they are new.
Use the text before reaching for a definition
Start with clues in the sentence and the surrounding paragraph. Notice whether the author contrasts the term with another idea, gives an example, describes a cause and effect, or restates the concept in simpler language. Write a tentative meaning in your own words, even if it is incomplete. For instance, you might note, “This seems to mean a change that happens gradually,” and then test that guess against the next example.
Pay attention to diagrams, captions, tables and end-of-chapter summaries as well. They may show how the term fits into a process more clearly than a single definition can. Familiar word parts can offer clues, but do not rely on them alone: a technical term may have a narrower meaning than its everyday parts suggest. Treat your first guess as a question to check, not an answer to memorize.
Look it up with the chapter in mind
When context is not enough, check the textbook’s glossary, the term’s first appearance, or a nearby definition before turning elsewhere. These are likely to reflect how the author uses the word. If you consult another explanation, compare it with the chapter rather than copying it automatically. The same word can have different meanings across subjects, and a general definition may not explain its role in this particular argument.
After looking it up, return to the sentence that stopped you. Replace the term mentally with your plain-language explanation and read the passage again. Does the sentence now make sense? If not, identify what remains unclear. You might know the definition but still need to understand what the concept looks like in an example, how it differs from a related term, or why the author introduced it.
Make a small, useful term note
For an important term, record more than a copied definition. A compact note can contain four parts: the term, a short explanation in your own words, an example from the chapter, and a question or contrast that helps you distinguish it from similar ideas. Keep the note brief enough to review. If you cannot write a plain explanation yet, record your uncertainty instead of disguising it with textbook language.
For example, after reading about a process, you might write what starts it, what changes, and what results. For a category or theory, note one case that fits and one that does not. These connections make the term more useful than a standalone vocabulary entry. You do not need a note for every unfamiliar word; reserve this effort for terms you expect to meet again or use in an assignment.
Check understanding as you continue
At the end of a section, close the book briefly and explain its main point without looking. Try to use two or three of its key terms naturally. If you can define a term but cannot explain how it connects to the section, revisit the relevant example or diagram. If you can explain the idea only by repeating the author’s wording, try a different example of your own.
Before your next reading session, glance at the terms you marked. Some will have become clear through later passages; others will still need attention. This short review helps you separate genuine gaps from words that were merely unfamiliar at first sight. Over time, the goal is not to interrupt reading less at all costs. It is to make each pause purposeful, so unfamiliar language becomes a path into the subject rather than a barrier to finishing the page.
