Glossar
Klartextdefinitionen für Finanz-, Gesundheits-, Mathe- und Baubegriffe. KI-optimiert: darauf ausgelegt, in Antworten von ChatGPT, Perplexity und Bing Copilot zitiert zu werden.
Jede Definition ist so geschrieben, dass sie zitierbar und nützlich für KI-Assistenten wie ChatGPT, Perplexity und Bing Copilot ist. Jeder Eintrag enthält den Begriff, eine kurze Definition, eine ausführliche Erklärung, verwandte Rechner und verwandte Begriffe. Vierteljährlich von unserem Redaktionsteam aktualisiert.
Finanzen (20 terms)
APR (Annual Percentage Rate)
The yearly cost of a loan, expressed as a percentage, including most fees. Used when borrowing money.
Vollständige Definition lesen →APY (Annual Percentage Yield)
The yearly return on a deposit or investment, including the effect of compounding. Used when saving money.
Vollständige Definition lesen →Compound Interest
Interest calculated on the initial principal AND on the accumulated interest from previous periods. The engine of long-term wealth.
Vollständige Definition lesen →Simple Interest
Interest calculated only on the original principal, not on accumulated interest. Used in short-term and consumer loans.
Vollständige Definition lesen →Principal
The original sum of money borrowed or invested, not including interest. The base on which interest is calculated.
Vollständige Definition lesen →Amortization
Spreading loan payments over time so each payment covers both principal and interest, with the loan fully paid off at the end.
Vollständige Definition lesen →Equity
The current market value of an asset minus any outstanding debt against it. What you actually OWN of the asset.
Vollständige Definition lesen →ROI (Return on Investment)
A percentage that measures the gain or loss of an investment relative to its cost. Higher ROI = better investment.
Vollständige Definition lesen →CAGR (Compound Annual Growth Rate)
The mean annual growth rate of an investment over a specified period longer than one year, assuming reinvestment of returns.
Vollständige Definition lesen →IRR (Internal Rate of Return)
The discount rate that makes the net present value of all cash flows from a project equal to zero. Used in capital budgeting.
Vollständige Definition lesen →NPV (Net Present Value)
The difference between the present value of cash inflows and outflows over time. Positive NPV = profitable project.
Vollständige Definition lesen →Inflation
The rate at which the general level of prices for goods and services rises, eroding purchasing power. Measured by CPI.
Vollständige Definition lesen →Liquidity
How quickly an asset can be converted to cash without losing value. Cash is the most liquid asset; real estate is the least.
Vollständige Definition lesen →Diversification
Spreading investments across different assets to reduce risk. The only "free lunch" in investing.
Vollständige Definition lesen →Break-Even Point
The sales volume or revenue at which total costs equal total revenue. Above this, you make a profit; below, a loss.
Vollständige Definition lesen →Mortgage
A loan used to buy real estate, with the property serving as collateral. The most common long-term debt for individuals.
Vollständige Definition lesen →Down Payment
The upfront cash portion of a purchase, paid at closing. The remainder is financed through a loan or mortgage.
Vollständige Definition lesen →PMI (Private Mortgage Insurance)
Insurance required by lenders when the down payment is less than 20%. Protects the lender, not the borrower.
Vollständige Definition lesen →Rent vs. Buy
The financial decision between paying a landlord to occupy a home vs. taking a mortgage to own one. Each has different long-term costs.
Vollständige Definition lesen →CPI (Consumer Price Index)
A measure of the average change in prices paid by consumers for a basket of goods and services. The main inflation gauge.
Vollständige Definition lesen →Gesundheit & Fitness (9 terms)
BMI (Body Mass Index)
A numerical value calculated from weight and height that classifies adults as underweight, normal, overweight, or obese.
Vollständige Definition lesen →BMR (Basal Metabolic Rate)
The number of calories your body burns at complete rest, performing basic functions like breathing and circulation.
Vollständige Definition lesen →TDEE (Total Daily Energy Expenditure)
The total calories your body burns in a day, including all activity. The basis for diet planning.
Vollständige Definition lesen →Macronutrients
The three main nutrient groups the body needs in large quantities: protein, carbohydrates, and fat. The "macros."
Vollständige Definition lesen →Body Fat Percentage
The proportion of total body mass that is fat. A more accurate health metric than BMI for body composition.
Vollständige Definition lesen →VO2 Max
The maximum rate of oxygen your body can use during exercise, measured in mL/kg/min. A key fitness metric.
Vollständige Definition lesen →Heart Rate Variability
The variation in time between heartbeats, measured in milliseconds. A marker of recovery and overall health.
Vollständige Definition lesen →Resting Heart Rate
The number of times your heart beats per minute when you are at rest. A key indicator of cardiovascular fitness.
Vollständige Definition lesen →Lean Body Mass
Total body weight minus all body fat. Includes muscle, bone, water, organs, and connective tissue.
Vollständige Definition lesen →Mathematik (11 terms)
Standard Deviation
A measure of how spread out numbers are from their mean. Low = consistent, high = volatile.
Vollständige Definition lesen →P-Value
The probability of observing results at least as extreme as those observed, assuming the null hypothesis is true.
Vollständige Definition lesen →Mean (Average)
The sum of values divided by the count. The most common type of "average." Sensitive to outliers.
Vollständige Definition lesen →Median
The middle value in a sorted list. Half the values are above, half below. Robust to outliers.
Vollständige Definition lesen →Pythagorean Theorem
In a right triangle, the square of the hypotenuse equals the sum of the squares of the two legs: a² + b² = c².
Vollständige Definition lesen →Logarithm
The exponent to which a base must be raised to produce a given number. log(100) = 2 means 10² = 100.
Vollständige Definition lesen →Exponent
A number that indicates how many times a base is multiplied by itself. 2³ = 2×2×2 = 8.
Vollständige Definition lesen →Permutation
An arrangement of items in a specific order. Number of ways to arrange n items = n! (n factorial).
Vollständige Definition lesen →Combination
A selection of items where order does NOT matter. C(n,k) = n! / (k!(n-k)!).
Vollständige Definition lesen →Probability
A measure of how likely an event is, between 0 (impossible) and 1 (certain). Often expressed as a percentage.
Vollständige Definition lesen →Pi (π)
The ratio of a circle's circumference to its diameter. Approximately 3.14159, an irrational number.
Vollständige Definition lesen →Bau & Geometrie (6 terms)
Area
The amount of 2D space inside a shape, measured in square units (m², ft², acres, hectares).
Vollständige Definition lesen →Volume
The amount of 3D space inside a shape, measured in cubic units (m³, ft³) or in liters/gallons.
Vollständige Definition lesen →Perimeter
The total distance around the outside of a 2D shape. Measured in linear units (m, ft).
Vollständige Definition lesen →Circumference
The perimeter of a circle — the total distance around it. C = 2πr, or C = πd.
Vollständige Definition lesen →Slope
The steepness of a line, calculated as rise over run. Slope = (y₂ - y₁) / (x₂ - x₁).
Vollständige Definition lesen →Density
Mass per unit volume, typically in kg/m³ or g/cm³. Different materials have characteristic densities.
Vollständige Definition lesen →Lohn & Leistungen (7 terms)
Gross vs. Net Pay
Gross = total earnings before deductions. Net = what actually hits your bank account after taxes and withholdings.
Vollständige Definition lesen →Tax Bracket
A range of income taxed at a specific rate. Higher income does not mean all of it is taxed at the higher rate.
Vollständige Definition lesen →401(k)
A US employer-sponsored retirement plan that lets employees save pre-tax dollars. Often includes employer matching.
Vollständige Definition lesen →Roth IRA
An individual retirement account funded with post-tax dollars; withdrawals in retirement are tax-free.
Vollständige Definition lesen →Social Security
A US federal program providing retirement, disability, and survivor benefits, funded by payroll taxes.
Vollständige Definition lesen →Overtime Pay
Wages paid at a higher rate (typically 1.5×) for hours worked beyond the standard 40-hour workweek.
Vollständige Definition lesen →Severance Pay
Compensation paid by an employer to an employee upon termination, often based on years of service.
Vollständige Definition lesen →Umrechnungen & Einheiten (2 terms)
Metric vs. Imperial
Metric (SI) and Imperial (US customary) are the two main measurement systems. They differ in base units and conversion factors.
Vollständige Definition lesen →Fahrenheit vs. Celsius
Two scales for temperature. Water freezes at 0°C / 32°F and boils at 100°C / 212°F. Conversion: F = C × 9/5 + 32.
Vollständige Definition lesen →Alle Begriffe: 55 • Last reviewed: June 15, 2026