science

Jacques Nicolas Ernest Germain de Saint-Pierre

Jacques Nicolas Ernest Germain de Saint-Pierre is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Jacques Nicolas Ernest Germain de Saint-Pierre rather than just read about it. In short: Jacques Nicolas Ernest Germain de Saint-Pierre (1 December 1814, Saint-Pierre-le-Moûtier – 28 June 1882, Hyères) was a French botanist. The plant genera Diserneston of the family Apiaceae and Ernestella and Saintpierrea of the family Rosaceae were named in his honor.

Key takeaways

Jacques Nicolas Ernest Germain de Saint-Pierre belongs to science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Jacques Nicolas Ernest Germain de Saint-Pierre to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Jacques Nicolas Ernest Germain de Saint-Pierre from memory before moving on to harder problems.

Reference excerpt

Jacques Nicolas Ernest Germain de Saint-Pierre (1 December 1814, Saint-Pierre-le-Moûtier – 28 June 1882, Hyères) was a French botanist. The plant genera Diserneston of the family Apiaceae and Ernestella and Saintpierrea of the family Rosaceae were named in his honor. He was one of fifteen founding members of Société botanique de France (SBF), an institution that was established on 24 May 1854.

Publications Atlas de la Flore des Environs de Paris (Atlas of the flora in environs around Paris), with Ernest Cosson (1819-1889), 1845 Guide du botaniste ou Conseil pratique sur l'étude de la botanique (Botanist's guide or practical counsel on the study of botany), edited by Victor Masson, 1852 Nouveau Dictionnaire de botanique comprenant la description des familles naturelles, les propriétés médicales et les usages économiques des plants, la morphologie et la biologie des végétaux (New dictionary of botany including the description of natural families, medical properties and economic uses of plants, morphology and biology of plants), 1870.

References "This article incorporates information based on a translation of an equivalent article at the French Wikipedia".

External links IPNI List of plants described and co-described by Germain de Saint-Pierre.

Worked examples

Example 1 — a first encounter with Jacques Nicolas Ernest Germain de Saint-Pierre

Start with the simplest possible case. Write down what Jacques Nicolas Ernest Germain de Saint-Pierre claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Jacques Nicolas Ernest Germain de Saint-Pierre before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Jacques Nicolas Ernest Germain de Saint-Pierre ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Jacques Nicolas Ernest Germain de Saint-Pierre

In research: Jacques Nicolas Ernest Germain de Saint-Pierre appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Jacques Nicolas Ernest Germain de Saint-Pierre in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Jacques Nicolas Ernest Germain de Saint-Pierre is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1814 births, 1882 deaths, 19th-century French botanists, so understanding it makes those chapters shorter.
In everyday life: Look for Jacques Nicolas Ernest Germain de Saint-Pierre outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Jacques Nicolas Ernest Germain de Saint-Pierre in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Jacques Nicolas Ernest Germain de Saint-Pierre means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
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Frequently asked questions

What is Jacques Nicolas Ernest Germain de Saint-Pierre in simple terms?

Why does Jacques Nicolas Ernest Germain de Saint-Pierre matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Jacques Nicolas Ernest Germain de Saint-Pierre?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Jacques Nicolas Ernest Germain de Saint-Pierre.