Astrology Glossary
Your complete guide to astrological terminology. Learn the meaning of zodiac signs, planets, aspects, houses, and essential astrology concepts.
Quick Reference Guide
Planets
- •Sun - Core identity, life purpose
- •Moon - Emotions, inner self
- •Mercury - Communication, thinking
- •Venus - Love, beauty, values
- •Mars - Action, energy, drive
- •Jupiter - Growth, expansion, wisdom
- •Saturn - Structure, responsibility, karma
- •Uranus - Innovation, rebellion, change
- •Neptune - Dreams, spirituality, illusion
- •Pluto - Transformation, power, rebirth
Zodiac Signs
- •Aries - Courageous, independent, leader
- •Taurus - Patient, reliable, sensual
- •Gemini - Adaptable, communicative, curious
- •Cancer - Nurturing, intuitive, protective
- •Leo - Creative, confident, generous
- •Virgo - Practical, analytical, helpful
- •Libra - Diplomatic, fair, harmonious
- •Scorpio - Intense, passionate, transformative
- •Sagittarius - Optimistic, philosophical, adventurous
- •Capricorn - Ambitious, disciplined, responsible
- •Aquarius - Innovative, humanitarian, independent
- •Pisces - Compassionate, artistic, spiritual
Major Aspects
- •Conjunction (0°) - Unity, intensity
- •Sextile (60°) - Opportunity, ease
- •Square (90°) - Tension, action needed
- •Trine (120°) - Harmony, natural talent
- •Opposition (180°) - Balance, awareness
A-Z Astrology Terms
A
Ascendant (Rising Sign)
Signs & HousesThe zodiac sign that was rising on the eastern horizon at the exact time of your birth. It represents your outward personality and first impressions.
Aspect
Planetary RelationshipsThe geometric angle formed between two planets in a birth chart. Aspects show how planetary energies interact and influence each other.
Astro Twins
ConceptsTwo people born at the same time and place, sharing identical birth charts. Used to study the influence of environment vs. astrology.
B
Birth Chart (Natal Chart)
ChartsA snapshot of the celestial bodies at the exact moment of your birth, showing planetary positions and their relationships.
Big Three
Signs & HousesThe three most important components of your birth chart: Sun sign (core identity), Moon sign (emotional nature), and Rising sign (outward personality).
C
Conjunction
AspectsAn aspect where two planets are very close together (0° apart). Their energies blend and intensify each other.
Cusp
Signs & HousesThe boundary line between two zodiac signs or houses. People born on a cusp may exhibit traits of both signs.
Combust
Planetary StatesWhen a planet is very close to the Sun (within 8°), making it difficult to express its energy clearly.
D
Decan
Signs & HousesEach zodiac sign is divided into three 10° sections called decans, each with its own planetary ruler and characteristics.
Dignity
Planetary StatesThe strength or weakness of a planet in a particular sign or house. Planets in dignity are stronger and more effective.
Domicile
Planetary StatesA planet's home sign where it functions most naturally and powerfully (e.g., Mars in Aries, Venus in Taurus).
E
Eclipse
Celestial EventsWhen the Sun, Moon, and Earth align, creating either a solar eclipse (New Moon) or lunar eclipse (Full Moon).
Exaltation
Planetary StatesA planet's most powerful position in a sign (e.g., Sun in Aries, Moon in Taurus). Planets in exaltation are honored and strengthened.
Elements
ConceptsThe four fundamental qualities in astrology: Fire (action), Earth (practicality), Air (intellect), Water (emotion).
H
House
Signs & HousesOne of 12 sections of the birth chart representing different areas of life (career, relationships, home, etc.).
Horoscope
ChartsA forecast of astrological influences for a specific time period, often daily, weekly, or monthly.
M
Midheaven (MC)
Signs & HousesThe highest point in the birth chart (10th house cusp), representing career, reputation, and life purpose.
Moon Sign
Signs & HousesThe zodiac sign the Moon was in at your birth, representing your emotional nature and inner self.
Mutable Signs
Signs & HousesThe flexible, adaptable signs: Gemini, Virgo, Sagittarius, and Pisces. They represent change and versatility.
N
Natal Chart
ChartsSee Birth Chart. The astrological map created for the moment of your birth.
Nodes
Planetary BodiesThe Lunar Nodes (North Node and South Node) represent your life purpose and past life karma.
O
Opposition
AspectsAn aspect where planets are 180° apart, creating tension and the need for balance between opposing energies.
Orb
AspectsThe allowable margin of error for an aspect to be considered valid (usually 6-10° depending on the aspect).
P
Planet
Planetary BodiesCelestial bodies that influence different aspects of human life and personality in astrology.
Pluto
Planetary BodiesThe planet of transformation, power, death, and rebirth. Represents deep psychological change and regeneration.
Progression
TechniquesA technique where planets are moved forward in time to show how your birth chart evolves throughout life.
Q
Quincunx
AspectsAn aspect of 150° between planets, representing adjustment and compromise between incompatible energies.
Quintile
AspectsA minor aspect of 72°, associated with creativity and unique talents.
R
Retrograde
Planetary MotionWhen a planet appears to move backward from Earth's perspective, intensifying its energy and requiring review.
Rising Sign
Signs & HousesSee Ascendant. The sign on the eastern horizon at your birth, representing your outward personality.
S
Sextile
AspectsAn aspect of 60° between planets, representing opportunity and positive cooperation.
Square
AspectsAn aspect of 90° between planets, creating tension and the need for action to resolve challenges.
Sun Sign
Signs & HousesThe zodiac sign the Sun was in at your birth, representing your core identity and life purpose.
Synastry
TechniquesThe comparison of two birth charts to understand relationship compatibility and dynamics.
T
Transit
TechniquesThe current position of planets and how they interact with your birth chart at any given time.
Trine
AspectsAn aspect of 120° between planets, representing harmony, ease, and natural talent.
Z
Zodiac
Signs & HousesThe 12 constellations that form a belt around Earth, each 30° wide, through which the Sun, Moon, and planets travel.
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