Category:Alphabetical Index
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This Category contains all term definition pages of the IALA dictionary.
This includes both the original 1970-89 dictionary terms and those terms added later.
Pages in category "Alphabetical Index"
The following 500 pages are in this category, out of 2,814 total.
(previous page) (next page)F
- Frequency channel
- Frequency converter
- Frequency deviation
- Frequency division multiplex (FDM)
- Frequency group
- Frequency modulation (FM)
- Frequency monitor
- Frequency swing
- Frequency tolerance
- Frequency-modulated radar
- Fresh concrete
- Fresnel Lens
- Fresnel Profile
- Fresnel region
- Friction pile
- Front Light
- Frosted Lamp
- Fuel (2)
- Fuel cell
- Fuel consumption
- Fuel system
- Full carrier
- Full Operational Capability (FOC)
- Full Radiator
- Full-load operation
- Fundamental frequency
- Furling
- Furniture (architectural)
- Fuse
- Fuse carrier
- Fuse link
- Fuse Valve
- Fusible plug
- Fusion Frequency
G
- Gabion
- Gain function
- Gain of an antenna
- Gain referred to a short vertical antenna
- Gallery
- Gantry crane
- Gap coding
- Gas cylinder
- Gas engine
- Gas Jet
- Gas-Filled Lamp
- Gaseous Discharge Lamp
- Gate
- Gear box
- Gel coat
- Generation of electric energy
- Generator set
- Geographical Range
- Geographical Range (Superseded)
- Geological survey
- Glare
- Glass wool
- Glass-reinforced plastic
- Glazing
- Glazing bars
- Global Maritime Distress and Safety System (GMDSS)
- Global Navigation Satellite System (GNSS)
- Gneiss
- Go-no-go testing
- Goliath Cap (G.B.)
- Gong
- Gong buoy
- Gong Buoy (U.S.A.) (2)
- Gong buoy (USA)
- Grab dredger
- Gradient
- Grading
- Granite
- Grapnel
- Grass
- Gray code
- Grid Filament
- Grit
- Groin
- Gross errors
- Ground and Polished Glass
- Ground beam
- Ground chain
- Ground clutter
- Ground swell
- Ground wave
- Ground wave - Radar
- Ground wave suppression
- Ground-plane antenna
- Group of wood or steel poles
- Group-Flashing Light
- Group-Occulting Light
- Grout
- Grout curtain
- Groyne
- Guard-rail
- Guide blades
- Gunmetal
- Gusset plate
- Gust of wind
- Gutter
- Gutter (of a roof)
- Guy
H
- Hack boat (GB)
- Half wave dipole
- Half-duplex (circuit)
- Halide Lamp
- Hammer
- Handling capacity
- Handrail
- Handy-billy tackle
- Hardener
- Hardening (of concrete)
- Hardware
- Harmful interference
- Harmonic radiation
- Hatch
- Hawsepipe (of a vessel)
- Hawser
- Hazard
- Hazard (2)
- Hazardous Cargoes
- Head
- Heading
- Helical antenna
- Helideck
- Helipad
- Heritage marine aid to navigation
- Hi-fix
- High Focal Plane Buoy
- High Intensity Carbon Arc Lamp
- High Pressure Arc Discharge Lamp
- High Pressure Mercury (Vapour) Lamp
- High Pressure Sodium (Vapour) Lamp
- High tensile steel
- High-speed launch
- Hinge
- Hinged
- Historic Lighthouse
- Hogging moment
- Hoghorn
- Hollow flooring block
- Hollow truncated cone filament
- Homing
- Hook
- Horizontal beam width
- Horizontally polarized wave
- Horn
- Horn - Antenna
- Hot-dip galvanising
- Hour meter
- HSFG bolt
- Hub (of a wind-power generator)
- Hub height (of a rotor)
- Hue
- Hunting
- Hunting (of an electric machine)
- Hybrid transformer
- Hydrocarbon
- Hydrogen
- Hydrometer
- Hyperstatic
- Hysteresis
I
- Ice floe
- Ice ridge
- Ice thrust
- Ideal value
- Idealized system
- Identification of an AtoN Light
- Identification signal
- Illuminance
- Illuminant
- Illumination Photometer (G.B.)
- Image
- Image frequency
- In-situ concrete
- Incandescence
- Incandescence Time (of a lamp)
- Incandescent (Electric) Lamp
- Indirectly controlled variable
- Induction coil
- Induction field
- Induction motor
- Infant-mortality period
- Information
- Information theory
- Inherent regulation
- Inhibit
- Initial Operational Capability (IOC)
- Initialize
- Injection
- Injector pump
- Injectors
- Inland tender (USA)
- Inlet chamber
- Input (process)
- Input channel
- Input data
- Input device
- Input state
- Input variable
- Inspection cover
- Installation error
- Installed capacity
- Instantaneous frequency
- Instantaneous sound power per unit area
- Instantaneous value
- Instantaneous value (2)
- Instantaneous" automatic gain control
- Instruction
- Instrumental error
- Insulated cable
- Insulating material
- Insulation (of a cable)
- Insulator
- Integral action
- Integrated navigation system
- Integrating Photometer
- Integrity
- Intensity modulation
- Inter-trace display
- Interference
- Interim approval
- Interlocking equisignal system
- Intermediate frequency
- Intermediate Light(s)
- Intermittent duty
- Intermodulation products
- Internal Absorptance
- Internal combustion engine
- Internal Procedures
- Internal Transmittance
- International Terrestrial Reference Frame (ITRF)
- Interrogating signal
- Interrogator
- Interrupted Quick-Flashing Light
- Intervention
- Inverse Square Law
- Inverter
- Ionosphere
- Ionospheric path error
- Ionospheric wave
- Ipot
- Iron
- Irradiance
- Island station
- Isocandela Curve (G.B.)
- Isolated danger
- Isolated Danger Mark (or Buoy) (G.B.)
- Isolated neutral system
- Isolating transformer
- Isophase Light
- Isostatic
- Isotropic or absolute gain of an antenna
- Isotropic radiator
J
K
L
- L antenna
- Ladder cage
- Ladder hoop
- Lag
- Lamp
- Lamp Changer
- Lamp Changer/es
- Lampholder
- Land drain
- Land light
- Landfall Light
- Landfall Mark (or Buoy)
- Landing
- Landing (of a stairway)
- Landing stage
- Landing stage (2)
- Landmark
- Lane
- Lane count
- Lantern
- Lantern (2)
- Lantern deck
- Lantern gallery
- Lantern Glazing (G.B.) (2)
- Lantern glazing (GB)
- Lantern handhold
- Lantern tower
- Lap (of reinforcement)
- Large navigation(al) buoy
- Lashing
- Latching relay
- Latency
- Lateral deviation
- Lateral deviation error
- Lateral system of marking
- Lathing
- Lattice
- Lattice (2)
- Lead
- Lead-acid cell
- Lead-in
- Lead-in Wire
- Lead-sheathed cable
- Leaders
- Leading edge
- Leading Lights (G.B.)
- Leading line
- Leading Marks (G.B.)
- Leakage power
- Leakproof cell
- Leg (of chain)
- Lens
- Lens Carriage
- Level 1 training
- Level 2 training
- Lewis (GB)
- Life (of a lamp)
- Life Test
- Lift (of concrete)
- Lifting eye
- Lifting gear
- Light
- Light (2)
- Light (3)
- Light (4)
- Light Checking device
- Light controller
- Light Exposure
- Light float
- Light float (2)
- Light reflection properties
- Light Stimulus
- Light Valve
- Light vessel
- Light vessel station
- Light-Centre-Length
- Lighted Buoy
- Lighted coastal mark
- Lighthouse
- Lighthouse (PHL)
- Lighthouse service
- Lighthouse tender
- Lighting
- Lighting (of a light)
- Lightning conductor
- Lightning conductor (2)
- Limestone
- Limit state design
- Limited signal
- Line
- Line conductor
- Line voltage (of a three-phase alternator)
- Linear Absorption Coefficient
- Linear detection
- Linear detector
- Linearly polarized wave
- Link
- Link (of a chain)
- Lintel
- Liquid petroleum gas
- Liquidity index
- Load
- Load (2)
- Load factor
- Load Regulation
- Load-bearing stratum
- Lobe
- Local control
- Local generation
- Local oscillator
- Log (of wood)
- Long dash
- Long-Arc Lamp
- Lookout
- Loom
- Loop alignment error
- Loop antenna
- Loop gain
- Loop transfer function
- Lorac
- Loran A
- Loran Base line extension monitor
- Loran C
- Loran C (2)
- Loran C Phase coding
- Loran chart
- Loran Cycle match
- Loran Drift control
- Loran Envelope match
- Loran Fixed slave time delay
- Loran monitor station
- Loran Slew control
- Loran Specific repetition rate
- Loran stations
- Loran system
- Loran Time base
- Loudness
- Loudness level
- Loudness level contour
- Low Pressure Mercury (Vapour) Lamp
- Low Pressure Sodium (Vapour) Lamp
- Lubrication system
- Lumen
- Luminance
- Luminescence
- Luminosity
- Luminous beam
- Luminous Efficacy
- Luminous Element
- Luminous Exitance
- Luminous fan beam
- Luminous Flux
- Luminous Intensity
- Luminous Pencil Beam
- Luminous Range
- Luminous ray
- Luneberg lens
- Lux
M
- M profile
- M unit
- Machining
- Magnetic amplifier
- Magnetic Declination
- Magnetic Dip
- Magnetic field strength
- Main beam
- Main channel
- Main drum (of a winch)
- Main Electrode
- Main Light
- Main lobe
- Mains supply
- Maintainability
- Maintenance
- Maintenance-free battery
- Making land
- Management
- Manifold (U.S.A.)
- Manipulated variable
- Manned Light (U.S.A.)
- Mantle
- Mantle Burner
- Manual control
- Marginally detectable bias (MDB)
- Marginally detectable error (MDE)
- Marine Aid to Navigation
- Marker beacon
- Marl
- Masonry
- Master oscillator
- Master station
- Matching unit
- Material
- Matrix
- Mattress
- Maximum power(Pmax)
- Mean life
- Mean line of course
- Mean power
- Mean power (2)
- Mean sea level
- Mean time between failures
- Mean time between failures (MTBF)
- Mean time to repair
- Mean Time To Repair/Restore (MTTR)
- Mean wind speed
- Measured-Mile Buoy
- Measuring element
- Measuring point
- Mechanical scanning
- Memory effect
- Mercury Bath
- Mercury switch
- Mercury switch (2)
- Mercury wetted relay
- Mesopic Vision
- Message
- Message Markers
- Messenger
- Messmotor (G.B.)
- Metacentre (of a buoy)
- Metacentric height
- Metadyne